Wear a smartwatch with your Patek Philippe

Wear a smartwatch with your Patek Philippe

414 Patek Philippe references fit Smartlet One, led by Calatrava, Perpetual Calendar and Annual Calendar. Lug widths 18mm to 22mm. Installation uses the standard spring bars, with no modification to the watch, and is fully reversible.
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Patented
Patek Philippe compatibility

Wear a smartwatch with your Patek Philippe

In short 414 Patek Philippe references fit Smartlet One, led by Calatrava, Perpetual Calendar and Annual Calendar. Lug widths 18mm to 22mm. Installation uses the standard spring bars, with no modification to the watch, and is fully reversible.

Patek Philippe has made watches in Geneva since 1839 and remains independent and family-owned. Its dress and complication lines keep classic lugs with spring bars, which is exactly what Smartlet One needs. 414 references are confirmed in our base, led by Calatrava, Perpetual Calendar and Annual Calendar. The Nautilus and most Aquanaut references are not on the list: their bracelet or strap attaches through an integrated fitting.

Wear yours How it works
The problem
Choosing between health data and horological heritage every morning.
The solution
Smartlet One replaces your Patek Philippe strap via the standard spring bars and positions your smartwatch on the same wrist, underneath. Both run simultaneously, with no modification to the watch.
Brand
Patek Philippe
Lug widths
18.0mm / 19.0mm / 20.0mm / 21.0mm / 22.0mm
Iconic models
0covered
Compatibility
Full range

Choose your edition

One mechanism. Three personalities.

Every Smartlet One includes the dedicated adapter for your wearable. Pick the finish that matches your style.

Smartlet One - Shadow - Smartlet

For the explorer

Smartlet One - Shadow

€399,00

5.0 (21)

Stealth. Switch in seconds, leave no trace.

  • Material SS316L steel, black PVD
  • Weight ~100g
  • Compatible with Rolex, Omega, Seiko + 100 more
Buy now
Compatibility

Patek Philippe models supported

Other Patek Philippe references

13 model families. Expand any group to see variants, references, and specifications.

Calatrava
18mm / 19mm / 20mm / 21mm / 22mm113 refs+
ReferenceMaterialDialLugSmartlet
5127G-001White Gold 37mmWhite20mmCompatible
5153J-001Yellow Gold 38mmWhite20mmCompatible
5153R-001Rose Gold 38mmIvory20mmCompatible
5196G-001White Gold 37mmGrey21mmCompatible
5196P-001Platinum 37mmBlue21mmCompatible
5196R-001Rose Gold 37mmSilver20mmCompatible
5227G-001White Gold 39mmWhite19mmCompatible
5227J-001Yellow Gold 39mmChampagne19mmCompatible
5227R-001Rose Gold 39mmCream20mmCompatible
5296G-001White Gold 38mmSilver21mmCompatible
5296R-001Rose Gold 38mmSilver21mmCompatible
6119G-001White Gold 39mmCharcoal gray21mmCompatible
6119R-001Rose Gold 39mmSilvery grained21mmCompatible
4997/200G-001White Gold 35mmBlue18mmCompatible
5088/100P-001White Gold 38.60mmBlack20mmCompatible
5226G-001White gold 40mmTextured charcoal gray with black-gradient rim21mmCompatible
5227G-010White gold 39mmLacquered black19mmCompatible
6007G-001White gold 40mmEbony black22mmCompatible
6007G-010White gold 40mmEbony black22mmCompatible
6007G-011White gold 40mmEbony black22mmCompatible
6196P-001Platinum 38mmRose-gilt opaline21mmCompatible
6119R21mmCompatible
5189G-130White Gold 38.60mmMulti-Color20mmCompatible
5119G-001White Gold 36mmWhite20mmCompatible
5296R-010Rose Gold 38mmSilver21mmCompatible
5089G-129White Gold 38.60mmMulti-Color20mmCompatible
5189G-001White Gold 38.60mmMulti-Color20mmCompatible
5089R-001Rose Gold 38.60mmMulti-Color20mmCompatible
5077P-093Platinum 37mmMulti22mmCompatible
5120G-001White Gold 35mmWhite18mmCompatible
6000G-010White Gold 37mmGrey21mmCompatible
5119R-001Rose Gold 36mmWhite20mmCompatible
5116R-001White Gold 36mmWhite20mmCompatible
5127J-001Yellow Gold 37mmSilver20mmCompatible
5120J-001Yellow Gold 35mmWhite18mmCompatible
5189G-011White Gold 38.60mmMulti-Color20mmCompatible
3718A IvoryStainless Steel 33mmIvory18mmCompatible
5054JYellow Gold 40mmWhite19mmCompatible
5120/1G-001White Gold 35mmSilver18mmCompatible
5089G-145White Gold 38.60mmMulti-Color20mmCompatible
5089G-089White Gold 38.60mmMulti-Color20mmCompatible
5177G-029White Gold 38mmMulti-Color20mmCompatible
5296G-010White Gold 38mmSilver20mmCompatible
6000R-001Rose Gold 37mmBrown21mmCompatible
5119J-001Yellow Gold 36mmWhite20mmCompatible
5153G-001White Gold 38mmBlack20mmCompatible
5177G-013White Gold 38mmMulti-Color20mmCompatible
5089G-079White Gold 38.60mmMulti-Color20mmCompatible
6000G-001White Gold 37mmBlack21mmCompatible
5089G-116White Gold 38.60mmBrown20mmCompatible
5177G-026White Gold 38mmMulti-Color20mmCompatible
5297G-001White Gold 38mmBlack20mmCompatible
5296G PisaWhite Gold 38mmSilver21mmCompatible
3802/200J-001Yellow Gold 33mmWhite18mmCompatible
5116G-001White Gold 36mmWhite20mmCompatible
4897R-010Rose Gold 33mmBeige18mmCompatible
5089G-019White Gold 38.60mmBrown20mmCompatible
5089G-067White Gold 38.60mmMulti-Color20mmCompatible
5089G-076White Gold 38.60mmMulti-Color20mmCompatible
5177G-001White Gold 38mmMulti-Color20mmCompatible
5196J-001Yellow Gold 37mmSilver21mmCompatible
5089G-032White Gold 38.60mmMulti20mmCompatible
5153G-010White Gold 38mmSilver20mmCompatible
5089G-035White Gold 38.60mmMulti20mmCompatible
5089G-025White Gold 38.60mmMulti20mmCompatible
6006G-001White Gold 39mmBlack22mmCompatible
5089G-013White Gold 38.60mmSilver20mmCompatible
5089G-018White Gold 38.60mmBrown20mmCompatible
5177G-010White Gold 38mmMulti-Color20mmCompatible
5177G-027White Gold 38mmMulti-Color20mmCompatible
6007A-001Stainless Steel 40mmBlue22mmCompatible
5177G-036White Gold 38mmMulti-Color20mmCompatible
5089G-125White Gold 38.60mmMulti-Color20mmCompatible
5089G-012White Gold 38.60mmMulti20mmCompatible
5089G-040White Gold 38.60mmBlack20mmCompatible
6000G-012White Gold 37mmBlue21mmCompatible
5089G-059White Gold 38.60mmBrown20mmCompatible
5089G-078White Gold 38.60mmMulti-Color20mmCompatible
5089G-014White Gold 38.60mmSilver20mmCompatible
5089G-033White Gold 38.60mmBlue / Navy20mmCompatible
5089G-066White Gold 38.60mmMulti-Color20mmCompatible
5089G-071White Gold 38.60mmBrown20mmCompatible
5089G-022White Gold 38.60mmMulti20mmCompatible
5177G-024White Gold 38mmMulti-Color20mmCompatible
5522A-001Stainless Steel 42mmBlue21mmCompatible
5177G-032White Gold 38mmMulti-Color20mmCompatible
5077P-068Platinum 37mmMulti22mmCompatible
5089G-060White Gold 38.60mmBrown20mmCompatible
5177G-011White Gold 38mmMulti-Color20mmCompatible
5089G-113White Gold 38.60mmMulti-Color20mmCompatible
5089G-085White Gold 38.60mmMulti-Color20mmCompatible
5089G-036White Gold 38.60mmMulti20mmCompatible
5177G-031White Gold 38mmMulti-Color20mmCompatible
5089G-015White Gold 38.60mmSilver20mmCompatible
5089G-083White Gold 38.60mmMulti-Color20mmCompatible
5089G-017White Gold 38.60mmBrown20mmCompatible
5089G-021White Gold 38.60mmMulti20mmCompatible
5089G-046White Gold 38.60mmBlack20mmCompatible
4978/400G-001White Gold 36.50mmDiamonds18mmCompatible
5177G-033White Gold 38mmMulti-Color20mmCompatible
5089G-077White Gold 38.60mmBrown20mmCompatible
5089G-075White Gold 38.60mmMulti-Color20mmCompatible
5089G-124White Gold 38.60mmMulti-Color20mmCompatible
5177G-012White Gold 38mmMulti-Color20mmCompatible
5089G-037White Gold 38.60mmMulti20mmCompatible
5089G-086White Gold 38.60mmMulti-Color20mmCompatible
5089G-020White Gold 38.60mmBrown20mmCompatible
5960G-010White Gold 40.50mmBlue21mmCompatible
4897/300G-001White Gold 33mmBlue18mmCompatible
5089G-016White Gold 38.60mmSilver20mmCompatible
5089G-001White Gold 38.60mmMulti20mmCompatible
5089G-038White Gold 38.60mmMulti20mmCompatible
5524T-010Titanium 42mmBlack21mmCompatible
Calatrava Pilot Travel Time
18mm / 20mm / 21mm6 refs+
ReferenceMaterialDialLugSmartlet
7234R-001Rose Gold 37.50mmBrown18mmCompatible
7234G-001White Gold 37.50mmBlue18mmCompatible
5396/1G-010White Gold 38mmSilver20mmCompatible
5230P-010Platinum 38.50mmRed20mmCompatible
5396R-012Rose Gold 38.50mmSilver21mmCompatible
5170R-001Rose Gold 39.40mmSilver21mmCompatible
Annual Calendar
18mm / 19mm / 20mm / 21mm / 22mm50 refs+
ReferenceMaterialDialLugSmartlet
5205G-013White Gold 40.2mmBlue20mmCompatible
5205R-010Rose Gold 40.2mmBlack20mmCompatible
5205R-001Rose Gold 40.2mmWhite20mmCompatible
5905P-001Platinum 42mmBlue22mmCompatible
5905R-001Rose Gold 42mmBrown22mmCompatible
5396G-011White Gold 38.50mmSilver21mmCompatible
5146G-001White Gold 39mmBeige20mmCompatible
5960/1A-001Stainless Steel 40.50mmSilver21mmCompatible
5205G-010White Gold 40.20mmBlack20mmCompatible
5146P-001Platinum 39mmGrey20mmCompatible
5960/01G-001White Gold 40.50mmBlue21mmCompatible
5146J-010Yellow Gold 39mmGrey20mmCompatible
5396G-014White Gold 38.50mmGrey21mmCompatible
5035R-01619mmCompatible
5905P-010Platinum 42mmBlack22mmCompatible
5396G-00121mmCompatible
5146/1J-001White Gold 39mmBeige19mmCompatible
5177G-034White Gold 38mmMulti-Color20mmCompatible
5089G-010White Gold 38.60mmMulti20mmCompatible
5130/1R-011Rose Gold 39.50mmBrown20mmCompatible
5089G-011White Gold 38.60mmMulti20mmCompatible
5146R-001Rose Gold 39mmBeige20mmCompatible
5960R-010Rose Gold 40.50mmBlack21mmCompatible
5130/1G-011White Gold 39.50mmGrey21mmCompatible
5170J-001Yellow Gold 39mmSilver21mmCompatible
5130P-020Platinum 39.50mmBlue21mmCompatible
5961P-013Platinum 40.50mmBlack21mmCompatible
5975J-001Yellow Gold 40mmSilver20mmCompatible
5960R-012Rose Gold 40.50mmBlack21mmCompatible
5131G-010White Gold 39.50mmMulti-Color21mmCompatible
5450PPlatinum 39mmPink20mmCompatible
5230P-001Platinum 38.50mmBlue20mmCompatible
5975R-001Rose Gold 40mmSilver20mmCompatible
5396/1G-001White Gold 38mmBlue20mmCompatible
7130G-014White Gold 36mmBrown18mmCompatible
5275P-001Platinum 39.80mmSilver22mmCompatible
5180/1G-010White Gold 39mmSkeleton20mmCompatible
5146/1G-001White Gold 39mmBeige20mmCompatible
5147G-001White Gold 39mmBlue20mmCompatible
5975G-001White Gold 40mmSilver20mmCompatible
7130G-015White Gold 36mmBlue18mmCompatible
5004P36.7mmBlue / Navy20mmCompatible
4947G-010White Gold 38mmSilver20mmCompatible
5035RWhite19mmCompatible
5035G37mmPink/Salmon19mmCompatible
5146/1R-001Rose Gold 39mmBeige20mmCompatible
5146J-001Yellow Gold 39mmBeige20mmCompatible
5396R-014Rose Gold 38.50mmBlue21mmCompatible
5396R-015Rose Gold 38.50mmBlue21mmCompatible
5396/1R-001White Gold 38mmBrown20mmCompatible
Perpetual Calendar
18mm / 19mm / 20mm / 21mm / 22mm53 refs+
ReferenceMaterialDialLugSmartlet
5320G-001White Gold 40mmCream20mmCompatible
5320G-011White Gold 40mmSalmon20mmCompatible
5940J-001Yellow Gold 37mmSilver21mmCompatible
5140J-001Yellow Gold 37.20mmBlack20mmCompatible
5970J21mmCompatible
5050P20mmCompatible
4675G-001White Gold 37mmSilver20mmCompatible
5146/1G-010White Gold 39mmGrey20mmCompatible
5002J-001Yellow Gold 42.80mmSilver21mmCompatible
5270G-001White Gold 41mmSilver21mmCompatible
5270P-001Platinum 41mmSalmon21mmCompatible
5270G-013White Gold 41mmSilver21mmCompatible
5073P-010Platinum 42mmBlue21mmCompatible
5270G-019White Gold 41mmBlue21mmCompatible
5970J-RomanYellow Gold 40mmGold21mmCompatible
3940J-025Yellow Gold 36mmWhite18mmCompatible
5270G-015White Gold 41mmSilver21mmCompatible
5271/13P-001Platinum 41mmBlack21mmCompatible
5039J-001Yellow Gold 36mmSilver19mmCompatible
5050P-XX1Yellow Gold 37.20mmSilver20mmCompatible
5078P-001Platinum 38mmWhite20mmCompatible
6104G-001White Gold 44mmBlue / Navy21mmCompatible
5496P-014Platinum 39.50mmBrown21mmCompatible
5951P-001Platinum 37mmBlack21mmCompatible
5940G-010White Gold 37mmBlack21mmCompatible
5531R-012Rose Gold 40.20mmMulti-Color21mmCompatible
5004G-015White Gold 36.70mmBlack20mmCompatible
5303R-01042mmSkeleton20mmCompatible
5750P-001Platinum 40mmMulti-Color21mmCompatible
5078P-010Platinum 38mmBlack20mmCompatible
5204R-011Rose Gold 40.20mmGrey20mmCompatible
5016 BRPlatinum 39.50mmBlack21mmCompatible
5016P WDPlatinum 39.50mmWhite19mmCompatible
5531R-014Rose Gold 40.20mmMulti-Color21mmCompatible
1938P-001Platinum 41mmBlack21mmCompatible
6301A-010Stainless Steel 44.80mmGreen22mmCompatible
5531R-011Rose Gold 40.20mmMulti-Color21mmCompatible
3970ER-012Red Gold 36mmSilver19mmCompatible
5271/11P-001Platinum 41mmBlack21mmCompatible
7149G-00135.1mmWhite18mmCompatible
5316P-001Platinum 40.20mmBlack20mmCompatible
5539G-015White Gold 37mmBlue19mmCompatible
5970P_RomanPlatinum 40mmPink21mmCompatible
5531R-010Rose Gold 40.20mmMulti-Color21mmCompatible
5016P39.5mmBlack19mmCompatible
1518AStainless Steel 35mmSilver19mmCompatible
5213G-010White Gold 40.60mmSilver20mmCompatible
5140P-001Platinum 37.20mmBlue19mmCompatible
5160/500G-001White Gold 38mmSilver20mmCompatible
5496R-001Platinum 39.50mmSilver21mmCompatible
5971/11P-101Platinum 40mmBlack21mmCompatible
5004R-001Rose Gold 36.70mmSilver20mmCompatible
5372P-001Platinum 38.30mmBlue20mmCompatible
Perpetual Calendar Chronograph
18mm / 19mm / 20mm / 21mm / 22mm38 refs+
ReferenceMaterialDialLugSmartlet
3970EJ-01819mmCompatible
3970E19mmCompatible
4675R-001Rose Gold 37mmSilver20mmCompatible
5073P-001Platinum 42mmBlack21mmCompatible
5496P-001Platinum 39.50mmSilver21mmCompatible
5208P-001Platinum 42mmGrey22mmCompatible
7000/50G-011White Gold 33.70mmMulti-Color18mmCompatible
5270G-018White Gold 41mmSilver21mmCompatible
5970P-001Platinum 40mmBlack21mmCompatible
5270G-014White Gold 41mmBlue21mmCompatible
5159R-001Rose Gold 38mmSilver20mmCompatible
5213G-001White Gold 40.60mmSilver20mmCompatible
3974J-001Yellow Gold 40.60mmSilver19mmCompatible
5270R-001Rose Gold 41mmSilver21mmCompatible
5160R-001Rose Gold 38mmSilver20mmCompatible
5140G-001White Gold 37.20mmBlack19mmCompatible
5970R-001Pink Gold 40mmSilver21mmCompatible
5101/100R-001Rose Gold 29.60mmSilver20mmCompatible
5970P-TWGHPlatinum 40mmBlack21mmCompatible
5539G-014White Gold 37mmBlue20mmCompatible
5271P-001Platinum 41mmBlack21mmCompatible
5531R-013Rose Gold 40.20mmMulti-Color21mmCompatible
5270T-010Titanium 41mmGreen21mmCompatible
5970G-001White Gold 40mmSilver21mmCompatible
5004J36.7mmYellow21mmCompatible
3970EG-016White Gold 36mmSilver19mmCompatible
5271/12P-001Platinum 41mmBlack21mmCompatible
5531R-001Rose Gold 40.20mmMulti-Color21mmCompatible
5004G-013White Gold 36.70mmSilver19mmCompatible
3971J-001Yellow Gold 36mmGold19mmCompatible
5050J-024Yellow Gold 37.20mmBlack19mmCompatible
5074P-001Platinum 42mmBlack21mmCompatible
5016P-021Platinum 39.50mmBlack19mmCompatible
5213G-012White Gold 40.60mmSilver20mmCompatible
5208T-010Titanium 42mmBlue21mmCompatible
3970G_ArabicWhite Gold 36mmSilver19mmCompatible
3970EG-023White Gold 36mmSilver19mmCompatible
3970J36mmWhite19mmCompatible
Chronograph
18mm / 19mm / 20mm / 21mm17 refs+
ReferenceMaterialDialLugSmartlet
5170G-010White Gold 39.4mmBlue21mmCompatible
5170G-001White Gold 39.4mmWhite21mmCompatible
5170P-001Platinum 39.4mmBlue21mmCompatible
5170R-010Rose Gold 39.4mmBlack21mmCompatible
5070G-00142mmSilver21mmCompatible
5070J-001Yellow Gold 42mmBlack21mmCompatible
5089G-023White Gold 38.60mmMulti20mmCompatible
5146G-010White Gold 39mmGrey20mmCompatible
5230G-010White Gold 38.50mmBlue20mmCompatible
5130P-015Platinum 39.50mmGreen19mmCompatible
5131R-011Rose Gold 39.50mmMulti21mmCompatible
5520P-001Platinum 42.20mmBlack21mmCompatible
7130R-001Rose Gold 36mmSilver18mmCompatible
5960/1A-011Stainless Steel 40.50mmSilver21mmCompatible
4937R-001Rose Gold 37mmWhite19mmCompatible
7150/250R-001Rose Gold 38mmSilver20mmCompatible
5975P-001Platinum 40mmBlack20mmCompatible
Split-Seconds Chronograph
18mm / 19mm / 20mm / 21mm / 22mm23 refs+
ReferenceMaterialDialLugSmartlet
5204G-001White Gold 40.2mmBlue20mmCompatible
5204R-001Rose Gold 40.2mmBrown20mmCompatible
5396T-010Titanium 38mmSilver20mmCompatible
5050G-001Yellow Gold 37.20mmSilver20mmCompatible
3970P_BreguetPlatinum 36mmPink19mmCompatible
3970EP-021Platinum 36mmSilver19mmCompatible
5531R-016Rose Gold 40.20mmMulti-Color21mmCompatible
5004A-001Stainless Steel 36.70mmSilver20mmCompatible
3990P-XX1Platinum 36mmGrey19mmCompatible
5140R-011Rose Gold 37.20mmSilver21mmCompatible
6002G-010White Gold 44mmBlack22mmCompatible
5538G-018White Gold 37mmMulti-Color21mmCompatible
5370P-001Platinum 41mmBlack22mmCompatible
5372P-010Platinum 38.30mmRose20mmCompatible
5004P_RomanPlatinum 36.70mmBlue21mmCompatible
3448JYellow Gold 37mmSilver18mmCompatible
3990P-029Platinum 36mmBlack21mmCompatible
5004P-033Platinum 36.70mmBlack19mmCompatible
5073R-001Rose Gold 42mmBlack18mmCompatible
5004P-064Platinum 36.70mmBlue21mmCompatible
5016J-001Yellow Gold 39.50mmWhite18mmCompatible
3970EJ-001Yellow Gold 36mmWhite19mmCompatible
5370P-011Platinum 41mmBlue22mmCompatible
World Time
18mm / 19mm / 20mm / 21mm35 refs+
ReferenceMaterialDialLugSmartlet
5930G-001White Gold 39.5mmBlue21mmCompatible
5230G-001White Gold 38.5mmGrey20mmCompatible
5231J-001Yellow Gold 38.5mmEnamel20mmCompatible
5231G-001White Gold 38.5mmEnamel Blue20mmCompatible
5930P-001Platinum 39.5mmBlue21mmCompatible
5131J-014Yellow Gold 39.50mmMulti-Color21mmCompatible
5089G-084White Gold 38.60mmMulti-Color20mmCompatible
5960R-001Rose Gold 40.50mmGrey21mmCompatible
5960P-015Platinum 40.50mmBlue21mmCompatible
5235G-001White Gold 40.50mmSilver20mmCompatible
5960P-001Platinum 40.50mmGrey21mmCompatible
5130J-001Rose Gold 39.50mmSilver20mmCompatible
5110J-001Yellow Gold 37mmSilver20mmCompatible
5396R-011 TRose Gold 38.50mmSilver21mmCompatible
5230R-012Rose Gold 38.50mmGrey20mmCompatible
5110P-001Platinum 37mmGrey20mmCompatible
7234A-001Stainless Steel 37.50mmBlue18mmCompatible
5524G-001White Gold 42mmBlue21mmCompatible
5350RPink Gold 39mmGrey20mmCompatible
5131/1P-001Platinum 39.50mmSilver20mmCompatible
7130R-012Rose Gold 36mmBlue18mmCompatible
5960P-016Platinum 40.50mmBlack21mmCompatible
5930G-010White Gold 39.50mmBlue21mmCompatible
5230R-013Rose Gold 38.50mmRed20mmCompatible
5070R-001Red Gold 42mmSilver21mmCompatible
3970R36mmWhite19mmCompatible
5110R-001Natural / Cream20mmCompatible
5130g-00140mmGrey21mmCompatible
5131J-00139mmMulti21mmCompatible
5110G-001White Gold 37mmSilver20mmCompatible
5130R-018Rose Gold 39.50mmSilver21mmCompatible
5230G-014White Gold 38.50mmGrey20mmCompatible
7130R-013Rose Gold 36mmSilver18mmCompatible
5575G-001White Gold 40mmBlack20mmCompatible
7175R-001Rose Gold 38mmSilver20mmCompatible
Minute Repeater
19mm / 20mm / 21mm22 refs+
ReferenceMaterialDialLugSmartlet
5207G-001White Gold 41mmBlue21mmCompatible
5207P-001Platinum 41mmSilver20mmCompatible
5524G-001 TWhite Gold 42mmBlue21mmCompatible
5539G-010White Gold 37mmBlue21mmCompatible
5496P-015Platinum 39mmSilver21mmCompatible
5159J-001Yellow Gold 38mmSilver20mmCompatible
5140R-001Rose Gold 37.20mmBrown19mmCompatible
5950A-001Stainless Steel 37mmSilver21mmCompatible
5079RPink Gold 38mmBlack21mmCompatible
5216P-001Platinum 39.50mmBlack19mmCompatible
5951P-012Platinum 37mmWhite21mmCompatible
5178G-001White Gold 40mmBeige20mmCompatible
5004P-021Platinum 36.70mmSilver21mmCompatible
5940G-001White Gold 37mmSilver21mmCompatible
5074R-001Rose Gold 42mmBlack21mmCompatible
5004G-001White Gold 36.70mmSilver19mmCompatible
5101P-001Platinum 29.60mmSalmon20mmCompatible
5016G SWhite Gold 39.50mmSilver19mmCompatible
5327J-001Yellow Gold 39mmIvory20mmCompatible
5950/1A-001Stainless Steel 37mmSilver21mmCompatible
5013J-001Yellow Gold 36mmSilver19mmCompatible
5102J-001Platinum 43mmBlue21mmCompatible
Complications
18mm / 19mm / 20mm / 21mm / 22mm32 refs+
ReferenceMaterialDialLugSmartlet
5905/1A-001Stainless Steel 42mmBlue22mmCompatible
4946R-001Rose gold 38mmChestnut19mmCompatible
4948R-001Rose gold 38mmWhite Balinese mother-of-pearl dial19mmCompatible
5172G-001White gold 41mmBlue varnished20mmCompatible
5172G-010White gold 41mmRose-gilt opaline20mmCompatible
5180/1R-001Rose Gold 39mmSkeleton20mmCompatible
5205R-011Rose gold 40mmSunburst olive green with black-gradient rim20mmCompatible
5212A-001Steel 40mmSilvery opaline20mmCompatible
5224R-001Rose gold 42mmBlue21mmCompatible
5235/50R-001Rose Gold 40.50mmGrey20mmCompatible
5326G-001White gold 41mmTextured charcoal gray with black-gradient rim21mmCompatible
5328G-001White gold 41mmTextured blue with black-gradient rim21mmCompatible
5330G-001White gold 40mmOpaline blue-gray with "carbon" pattern20mmCompatible
5396G-017White gold 38.5mmSunburst blue with black-gradient rim21mmCompatible
5396R-011Rose gold 38.5mmSilvery opaline21mmCompatible
5396R-016Rose gold 38.5mmSunburst sand beige21mmCompatible
5524G-010White gold 42mmIvory lacquered21mmCompatible
5524R-001Rose gold 42mmSunburst brown with black-gradient rim21mmCompatible
5905R-010Rose gold 42mmSunburst blue21mmCompatible
5924G-001White gold 42mmSunburst blue-gray21mmCompatible
5924G-010White gold 42mmLacquered khaki green21mmCompatible
5935A-001Steel 41mmRose-gilt opaline21mmCompatible
5961P-001Platinum 40.5mmRoyal blue opaline21mmCompatible
5961R-010Rose gold 40.5mmEbony black opaline21mmCompatible
7121/200G-00133mmBlue18mmCompatible
7130G-016White gold 36mmBlue-gray18mmCompatible
7130R-014Rose gold 36mmOlive green18mmCompatible
5131R-001Rose Gold 39.50mmMulti-Color21mmCompatible
5070P-001Platinum 42mmBlue21mmCompatible
4936G-001White Gold 37mmBlack18mmCompatible
5071G-001White Gold 42mmBlack22mmCompatible
5200G-001White Gold 32.40mmBlue20mmCompatible
Grand Complications
19mm / 20mm / 21mm / 22mm23 refs+
ReferenceMaterialDialLugSmartlet
6002G-001White Gold 44mmBlue Enamel22mmCompatible
5236P-001Platinum 41.3mmBlue with black-gradient rim21mmCompatible
5236P-010Platinum 41.3mmRose-gilt opaline21mmCompatible
5270J-001Yellow gold 41mmSilvery opaline21mmCompatible
5270P-014Platinum 41mmLacquered green with black-gradient rim21mmCompatible
5271/11P-010Platinum 41mmBlue21mmCompatible
5271P-010Platinum 41mmLacquered black21mmCompatible
5303R-001Rose gold 42mmBlack hour circle with minute markers printed in white and golden powdered dots. White gold skeletonized leaf-shaped hands20mmCompatible
5316/50P-001Platinum 40.20mmBlue21mmCompatible
5327G-001White gold 39mmSunburst blue19mmCompatible
5327R-001Rose gold 39mmLacquered ivory19mmCompatible
5373P-001Platinum 38.3mmCharcoal gray with black-gradient rim20mmCompatible
5470P-001Platinum 41mmBlue varnished21mmCompatible
5520RG-001Rose gold and white gold 42.2mmSunburst gray21mmCompatible
6102R-001Rose gold 44mmWhite gold skeletonized leaf-shaped hands20mmCompatible
6159G-001White gold 39.5mmSapphire crystal with gray metallization and black-gradient rim21mmCompatible
6300GR-001Rose gold and white gold 47.7mmTime side: Brown opaline21mmCompatible
6301P-001Platinum 44.8mmGrand Feu black enamel with glazed finish22mmCompatible
5204P-011Platinum 40.20mmBlack20mmCompatible
5074R-012Rose Gold 42mmSilver19mmCompatible
5216R-001Rose Gold 39.50mmSilver19mmCompatible
5004J-012Yellow Gold 36.70mmSilver19mmCompatible
5208R-001Rose Gold 42mmBlack21mmCompatible
Gondolo
18mm / 19mm / 21mm4 refs+
ReferenceMaterialDialLugSmartlet
7041R-001Rose gold 30mmSilvery grained18mmCompatible
5140P-017Platinum 37.20mmGrey19mmCompatible
3970EG-022White Gold 36mmSilver19mmCompatible
5135G-010White Gold 38.50mmGrey21mmCompatible
Aquanaut
18mm / 19mm4 refs+
ReferenceMaterialDialLugSmartlet
5022R33mmWhite18mmCompatible
5066A-01036mmBlue/Navy19mmCompatible
506636mmBlack19mmCompatible
5066J38mmBlack19mmCompatible

Patek Philippe lug widths:

18mm19mm20mm21mm22mm
Frequently paired

Smartwatches worn with Patek Philippe

The most common combinations our customers wear. Find your mechanical watch and discover the right Smartlet edition.

Apple Watch
Series 0 to Ultra 4
Whoop
5.0 / MG
Garmin Forerunner
255 to 965
Samsung Galaxy Watch
Series 4 to 7
Withings ScanWatch
Light / 2 / Nova
View all brands
27 brands covered
Also compatible

Other brands

Smartlet One covers 18mm to 24mm lug widths across the finest watch brands.

Rolex
Omega
Tag Heuer
Breitling
Tudor
IWC
Longines
Seiko
Hamilton
Grand Seiko
Bell&Ross
Blancpain
Panerai
Cartier
Jaeger Lecoultre
Zenith
Rado
Tissot
Oris
Doxa
Formex
Timex
Sinn
Porsche Design
Mido
Yema
Christopher Ward
A. Lange & Söhne
View all
Watch brand compatibility guide

Step by step

Replace your strap
01

Replace your strap

Smartlet replaces your mechanical watch strap via the standard spring-bar system. Classic, Shadow, or Titanium. No tools required.

Connect your wearable
02

Connect your wearable

Smartlet uses a dedicated adapter or native lug pins depending on your smartwatch. The connector snaps onto the Smartlet module. Zero modification to the mechanical watch.

Wear both simultaneously
03

Wear both simultaneously

Both watches sit on the same wrist. All smartwatch sensors maintain direct skin contact and operate normally.

Questions

Frequently asked questions

  • Does Smartlet work with Patek Philippe watches?
    Yes for 414 references across the main Patek Philippe lines in our base, including Calatrava, Perpetual Calendar, Annual Calendar and Perpetual Calendar Chronograph, on 18mm to 22mm lugs with standard spring bars. The Nautilus and most Aquanaut references are not compatible, because their bracelet or strap uses an integrated fitting. Check your exact reference in the table before you order.
  • Is Smartlet safe for a Patek Philippe?
    Smartlet One replaces the strap only and never touches the case, the crystal or the movement. For a watch of this value, having the strap fitted by a watchmaker the first time is a sensible precaution. The setup is fully reversible.
  • Which smartwatch pairs best with a Patek Philippe?
    For a slim dress watch, a screenless tracker such as Whoop or a slim Apple Watch keeps the stack discreet under the cuff. Your watch sits on top, the smartwatch underneath, on one strap.
  • Does Smartlet damage or modify my mechanical watch?
    No. Smartlet replaces your standard watch strap using the existing spring-bar system. It makes no permanent modification to the watch case, lugs, or dial. The process is fully reversible in seconds. Your mechanical watch is unaffected and can be worn independently at any time by reinstalling its original strap. Smartlet is engineered to watchmaker tolerances and tested with the same care that goes into the watches it pairs with.