Wear a smartwatch with your IWC Big Pilot

Wear a smartwatch with your IWC Big Pilot

Smartlet is compatible with the IWC Big Pilot. Lug width: 21mm / 22mm, supported with watch adapters in the matching width. The watch adapters seat in the lug holes in place of the spring bars. No modification to the watch required. Fully reversible in seconds.
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IWC Big Pilot compatibility

Wear a smartwatch with your IWC Big Pilot

In short Smartlet is compatible with the IWC Big Pilot. Lug width: 21mm / 22mm, supported with watch adapters in the matching width. The watch adapters seat in the lug holes in place of the spring bars. No modification to the watch required. Fully reversible in seconds.

The Big Pilot traces its lineage to the Beobachtungsuhren - the observer's watches issued to navigators in the 1940s. Large onion crown for gloved operation, cathedral hands coated in Super-LumiNova, Arabic numerals legible at arm's length in low visibility. The Cal. 51111 delivers 168 hours of power reserve - a genuine engineering statement, not a specification exercise. Every element on the dial earns its place. Smartlet adds data capability without changing the instrument.

Wear yours How it works
The problem
Choosing between health data and horological heritage every morning.
The solution
Smartlet One replaces your IWC Big Pilot strap: the watch adapters seat in the lug holes in place of the spring bars, and your smartwatch sits on the same wrist. Both watches run simultaneously, with no modification to the watch and full reversibility in seconds.
Model
IWC Big Pilot
Lug width
20mm / 21mm / 22mm
References
62covered
Reversible
In seconds

Choose your Smartlet

Compatibility

IWC Big Pilot models supported

Covered references

62 references covered.

ReferenceMaterialDialLugSmartlet
IW502802Yellow Gold 46.2mmBlue22mmCompatible
IW510301Titanium 48mmBrown22mmCompatible
IW5002-01Steel 46.2mmBlack22mmCompatible
IW5004-01Steel 46.2mmBlack22mmCompatible
IW5004-07Steel 46.2mmBlue22mmCompatible
IW500901Steel 46.2mmBlack22mmCompatible
IW500912Steel 46.2mmBlue22mmCompatible
IW501001Steel 46.2mmBlack22mmCompatible
IW501002Steel 46.2mmBlue22mmCompatible
IW501004Steel 46.2mmBlue22mmCompatible
IW503801Steel 46.2mmBlack22mmCompatible
IW329301Steel 43mmBlack21mmCompatible
IW329303Steel 43mmBlue21mmCompatible
IW503001Ceramic 48mmBeige22mmCompatible
IW503607Ceramic 46mmWhite Luminous22mmCompatible
IW329304Stainless Steel 43mmBlue21mmCompatible
IW388103Stainless steel 41mmGreen20mmCompatible
IW388104Stainless Steel 41mmBlue20mmCompatible
IW501015Stainless steel 46.2mmGreen22mmCompatible
IW503008Ceramic 46.5mmBlack22mmCompatible
IW503608Stainless steel 46.2mmGreen22mmCompatible
IW50090646.2mmWhite22mmCompatible
IW51520446mmBrown22mmCompatible
IW50300246.5mmRed22mmCompatible
IW50300546.5mmGreen22mmCompatible
IW50480346.2mmBlue / Navy22mmCompatible
IW5004-1746.2mmGrey22mmCompatible
IW3295-0143mmBlue / Navy21mmCompatible
IW5009-0846mmBlue / Navy22mmCompatible
IW5061-0146.2mmBlack22mmCompatible
IW5002-0346.2mmBlack22mmCompatible
IW5049-0146.2mmBlue / Navy22mmCompatible
IW5004-2246mmBrown22mmCompatible
IW5010-1446.2mmGrey22mmCompatible
IW5036-0246.2mmYellow22mmCompatible
IW3293-0543mmPink / Salmon21mmCompatible
IW5026-4146mmBlue / Navy22mmCompatible
IW3577-0144mmSkeletonised / Openwork22mmCompatible
IW5004-1346.2mmGrey22mmCompatible
IW5004-2546.2mmGrey22mmCompatible
IW5010-0846.2mmBlue / Navy22mmCompatible
IW5903-0346mmBlue / Navy22mmCompatible
IW5152-0246mmBlue / Navy22mmCompatible
IW5903-0246mmBlue / Navy22mmCompatible
IW5004-0246.2mmBlack22mmCompatible
IW5105-0746.2mmBlack22mmCompatible
IW5105-0546.2mmBlue / Navy22mmCompatible
IW5004-3346.2mmBlack22mmCompatible
IW5004-0646.2mmGrey22mmCompatible
IW5010-0546.2mmBlack22mmCompatible
IW5009-1046.2mmGrey22mmCompatible
IW5004-1946mmBrown22mmCompatible
IW5105-0446.2mmWhite22mmCompatible
IW3297-0343mmBlack21mmCompatible
IW3562-0144mmBlack22mmCompatible
IW5009-0946mmBlue / Navy22mmCompatible
IW5004-2646.2mmWhite22mmCompatible
IW5105-0346.2mmBlue / Navy22mmCompatible
IW5105-0646.2mmGreen22mmCompatible
IW5905-0246mmBlack22mmCompatible
IW5004-0846.2mmBlack22mmCompatible
IW5030-0346.5mmBlack22mmCompatible

IWC Big Pilot lug widths: 20mm / 21mm / 22mm

The Big Pilot traces its lineage to the Beobachtungsuhren - the observer's watches issued to navigators in the 1940s. Large onion crown for gloved operation, cathedral hands coated in Super-LumiNova, Arabic numerals legible at arm's length in low visibility. The Cal. 51111 delivers 168 hours of power reserve - a genuine engineering statement, not a specification exercise. Every element on the dial earns its place. Smartlet adds data capability without changing the instrument.
Frequently paired

Smartwatches worn with IWC Big Pilot

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
Watch 4 to 9 - Classic - FE - Ultra - Ultra2
Withings ScanWatch
Light / 2 / Nova
View all brands
27 brands covered
Also compatible

Other brands

Other iconic models in the Smartlet compatibility library.

Submariner
Daytona
GMT-Master
Datejust
Yacht-Master
Sky-Dweller
Explorer
Seamaster 300m
Speedmaster
Planet Ocean
De Ville
Monaco
Carrera
Formula 1
Aquaracer
Portugieser
Navitimer
Superocean
Avenger
Black Bay
Pelagos
Ranger
Luminor
Submersible
SKX
Prospex
Presage
Khaki Field
Fifty Fathoms
Reverso
SUB 300
Spring Drive
Divers Sixty-Five
Captain Cook
Superman Heritage
El Primero
Monarch
Black Bay 58 GMT
Rolex Datejust 36
Hamilton Jazzmaster
Longines Master Collection
Blancpain Villeret
View all models
Watch brand compatibility guide

Step by step

Replace your strap
01

Replace your strap

The watch adapters seat in your mechanical watch's lug holes in place of the spring bars. Classic, Shadow or Titanium. The spring bar tool is in the box.

Connect your wearable
02

Connect your wearable

Your smartwatch attaches to the central part of the bracelet with its own adapter (Apple Watch, Whoop, Fitbit, Galaxy or Pixel Watch) or a pair of standard watch adapters. Zero modification to the mechanical watch.

Wear both simultaneously
03

Wear both simultaneously

Both watches sit on the same wrist. The smartwatch sits underneath, against the skin; readings taken there are not certified by its manufacturer.

Questions

Frequently asked questions

  • Does Smartlet work with the IWC Big Pilot?
    Yes - for all 43mm and 46mm references. These use 21mm or 22mm lugs, supported with watch adapters in the matching width. The 48mm IW510401 uses 26mm lugs - outside the native range.
  • Which IWC Big Pilot references are compatible?
    IW5002, IW5004, IW500901, IW501001, IW501012, IW503801 series at 22mm, and IW329301/IW329303 at 21mm are all compatible. Only the 48mm IW510401 at 26mm falls outside the native range.
  • Does Smartlet affect the Big Pilot 168-hour power reserve?
    No. The watch adapters seat in the lug holes in place of the spring bars. The Cal. 51111 movement and its power reserve mechanism are completely unaffected.
  • Where can I buy Smartlet for the IWC Big Pilot?
    Smartlet is available at smartlet.io in Classic, Shadow, and Titanium. All finishes are compatible with IWC Big Pilot references at 21mm and 22mm lug widths.
  • Does Smartlet damage or modify my mechanical watch?
    No. The watch adapters seat in your watch's lug holes in place of the spring bars. Nothing is modified on the case, lugs or dial, and the change is fully reversible: your mechanical watch can go back on its original strap at any time.