Wear a smartwatch with your Omega Speedmaster Moonwatch

Wear a smartwatch with your Omega Speedmaster Moonwatch

Smartlet is compatible with the Omega Speedmaster Moonwatch. Lug width: 18mm / 19mm / 20mm / 21mm / 22mm - natively supported with no adapter. Installation uses the standard spring-bar system. No modification to the watch required. Fully reversible in seconds.
Explore
Forbes · CNET
|
300+ clients
|
35+ countries
|
CES 2026 · Lépine 2025
|
Patented
Omega Speedmaster Moonwatch compatibility

Wear a smartwatch with your Omega Speedmaster Moonwatch

In short Smartlet is compatible with the Omega Speedmaster Moonwatch. Lug width: 18mm / 19mm / 20mm / 21mm / 22mm - natively supported with no adapter. Installation uses the standard spring-bar system. No modification to the watch required. Fully reversible in seconds.

The Speedmaster Professional was worn on the Moon in 1969 and has been NASA's standard-issue watch ever since. It measures elapsed time with a tachymetre scale that predates the digital age by decades. Your training metrics. Your mission elapsed time. Both active.

Wear yours How it works
The problem
Choosing between health data and horological heritage every morning.
The solution
Smartlet One replaces your Omega Speedmaster Moonwatch's strap via the standard spring-bar system and positions your smartwatch on the same wrist. Both watches run simultaneously, with no modification to the watch and full reversibility in seconds.
Model
Omega Speedmaster Moonwatch
Lug width
18mm / 19mm / 20mm / 21mm / 22mm
References
118covered
Reversible
In seconds

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

4.9 (17)

Stealth. Switch in seconds, leave no trace.

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

Omega Speedmaster Moonwatch models supported

Covered references

118 references covered.

ReferenceMaterialDialLugSmartlet
332.10.41.51.01.001Steel 42mmBlack20mmCompatible
332.10.41.51.03.001Steel 42mmBlue20mmCompatible
332.10.41.51.11.001Steel 42mmBurgundy20mmCompatible
332.10.41.51.10.001Steel 42mmGreen20mmCompatible
332.10.41.51.01.001Stainless Steel 42mmBlack20mmCompatible
332.10.41.51.03.001Stainless Steel 42mmBlue20mmCompatible
376.0822Stainless Steel 42mmBlack20mmCompatible
311.63.42.50.02.001Yellow Gold 42mmWhite20mmCompatible
310.32.42.50.02.001Steel 42mmWhite/Blue20mmCompatible
145.022-68Stainless Steel 42mmBlack20mmCompatible
105.002Stainless Steel 38mmBlack19mmCompatible
105.003Stainless Steel 38mmBlack19mmCompatible
105.012-63Stainless Steel 42mmBlack20mmCompatible
105.012-66Stainless Steel 42mmBlack20mmCompatible
378.0801Stainless Steel 44.25mmGrey22mmCompatible
145.012-67Stainless Steel 42mmBlack20mmCompatible
145.012-68Stainless Steel 42mmBlack20mmCompatible
3551.50.00Stainless Steel 42mmBlack20mmCompatible
3551.20.00Stainless Steel 42mmSilver20mmCompatible
311.30.40.30.01.001Stainless Steel 38mmBlack19mmCompatible
CK2915-1 TributeCanopus gold 38mmBlack Onyx19mmCompatible
Alaska Proto 1969Stainless Steel 42mmWhite20mmCompatible
311.32.42.30.04.001Stainless Steel 42mmWhite20mmCompatible
311.92.44.30.01.001Ceramic 44.25mmBlack/Red21mmCompatible
3590.20Stainless Steel 42mmWhite Panda20mmCompatible
3560.50Stainless Steel 42mmBlack20mmCompatible
3560.50Stainless Steel 42mmBlack20mmCompatible
3570.31Stainless Steel 42mmWhite Panda20mmCompatible
3569.31.00Stainless Steel 42mmWhite Panda20mmCompatible
311.30.42.30.01.002Stainless Steel 42mmBlack20mmCompatible
311.62.42.30.06.001Titanium/Sedna Gold 42mmGrey20mmCompatible
311.30.42.30.99.002Stainless Steel 42mmGold Dial20mmCompatible
310.60.42.50.99.001Moonshine gold 42mmOnyx Black20mmCompatible
310.20.42.50.01.001Steel/Moonshine Gold 42mmBlack20mmCompatible
310.32.42.50.02.001Stainless Steel 42mmSilver/Blue Snoopy20mmCompatible
304.93.44.52.03.001Blue Ceramic 44.25mmBlue21mmCompatible
310.60.42.50.02.001Canopus gold 42mmSilver20mmCompatible
CK2915-1Stainless Steel 38mmBlack19mmCompatible
CK2915-2Stainless Steel 38mmBlack19mmCompatible
CK2915-3Stainless Steel 38mmBlack19mmCompatible
311.33.40.30.02.001Stainless Steel 38mmSilver/Blue19mmCompatible
311.32.40.30.02.001Stainless Steel 38mmSilver/Red19mmCompatible
CK2998-1Stainless Steel 38mmBlack19mmCompatible
CK2998-2Stainless Steel 38mmBlack19mmCompatible
CK2998-3Stainless Steel 38mmBlack19mmCompatible
CK2998-4Stainless Steel 38mmBlack19mmCompatible
311.92.44.51.01.003Ceramic 44.25mmBlack21mmCompatible
311.92.44.51.01.003Black Ceramic 44.25mmBlack21mmCompatible
311.63.44.51.06.001Ceramic/Sedna 44.25mmGrey21mmCompatible
311.32.40.30.01.001Stainless Steel 38mmBlack19mmCompatible
311.32.40.30.01.001Steel 38mmBlack19mmCompatible
311.93.44.51.99.001Grey Ceramic 44.25mmPlatinum Silver21mmCompatible
145.014Stainless Steel 44.25mmBlack22mmCompatible
145.014 RacingStainless Steel 44.25mmGrey/Orange Racing22mmCompatible
176.002Stainless Steel 44.25mmBlue22mmCompatible
176.007Stainless Steel 44.25mmSilver22mmCompatible
376.0806Stainless Steel 42mmBlack20mmCompatible
327.10.43.50.01.001Stainless Steel 42mmBlack20mmCompatible
304.33.44.52.01.001Steel 44.25mmBlack21mmCompatible
304.33.44.52.03.001Steel 44.25mmBlue21mmCompatible
304.30.44.52.03.001Stainless Steel 44.25mmBlue21mmCompatible
304.30.44.52.01.001Stainless Steel 44.25mmBlack21mmCompatible
310.63.42.50.10.001Moonshine gold 42mmGreen20mmCompatible
3594.50.00Stainless Steel 42mmBroad Arrow Black20mmCompatible
3598.50.00Stainless Steel 42mmBlack20mmCompatible
3597.21.00Stainless Steel 42mmSilver/Black20mmCompatible
522.30.42.30.04.001Stainless Steel 42mmWhite Panda20mmCompatible
145.022-69Stainless Steel 42mmBlack20mmCompatible
145.022-71Stainless Steel 42mmBlack20mmCompatible
145.022-74Stainless Steel 42mmBlack20mmCompatible
145.022-76Stainless Steel 42mmBlack20mmCompatible
145.022-78Stainless Steel 42mmBlack20mmCompatible
3590.50Stainless Steel 42mmBlack20mmCompatible
3592.50 (sapphire)Stainless Steel 42mmBlack20mmCompatible
3570.50Stainless Steel 42mmBlack20mmCompatible
3577.50.00Stainless Steel 42mmBlack W/ Earth-Moon-Mars20mmCompatible
311.30.42.30.99.001Stainless Steel 42mmMeteorite Dial20mmCompatible
311.30.42.30.01.005Steel 42mmBlack20mmCompatible
311.30.42.30.01.006Steel 42mmBlack20mmCompatible
311.30.42.30.01.005Stainless Steel 42mmBlack20mmCompatible
311.30.42.30.01.006Stainless Steel 42mmBlack20mmCompatible
310.30.42.50.01.001Stainless Steel 42mmBlack20mmCompatible
310.30.42.50.01.002Steel 42mmBlack20mmCompatible
310.30.42.50.01.001Stainless Steel 42mmBlack20mmCompatible
310.30.42.50.01.002Stainless Steel 42mmBlack20mmCompatible
3510.61.00Stainless Steel 38mmRed18mmCompatible
3510.12.00Stainless Steel 38mmYellow18mmCompatible
329.30.44.51.06.001Steel 44.25mmGrey21mmCompatible
329.30.44.51.01.002Steel 44.25mmBlack21mmCompatible
329.30.44.51.01.001Stainless Steel 44.25mmBlack21mmCompatible
3510.50Stainless Steel 38mmBlack18mmCompatible
3513.50Stainless Steel 38mmWhite18mmCompatible
3510.50.00Steel 38mmBlack18mmCompatible
3510.21.00Steel 38mmWhite/Black18mmCompatible
3539.50Stainless Steel 38mmBlack18mmCompatible
318.92.45.79.03.001Titanium 42mmBlue/Green20mmCompatible
3578.51.00Stainless Steel 42mmBlack Snoopy20mmCompatible
311.32.42.30.04.003Stainless Steel 42mmWhite/Blue Snoopy20mmCompatible
310.32.42.50.02.001Stainless Steel 42mmSilver/Blue Snoopy20mmCompatible
321.90.44.52.01.001Titanium 44.25mmBlack21mmCompatible
321.92.44.52.01.003Titanium 44.25mmBlack W/ Blue Strap21mmCompatible
311.32.42.30.01.001Stainless Steel 42mmReverse Panda20mmCompatible
311.12.42.30.01.001Stainless Steel 42mmBlack/Orange20mmCompatible
311.30.42.30.01.004Steel 42mmBlack/Red Track20mmCompatible
311.30.42.30.01.004Stainless Steel 42mmBlack/Red Track20mmCompatible
522.30.42.30.03.001Stainless Steel 42mmBlue Panda20mmCompatible
522.30.42.30.06.001Stainless Steel 42mmGrey/Gold20mmCompatible
522.30.42.30.04.001Stainless Steel 42mmWhite/Green20mmCompatible
522.30.42.30.01.006Stainless Steel 42mmBlack/Gold20mmCompatible
522.20.42.30.01.001Two-Tone Steel/Gold 42mmBlack/Red20mmCompatible
522.30.42.30.01.001Steel 42mmBlack20mmCompatible
522.30.42.30.03.001Steel 42mmBlue/White20mmCompatible
311.93.44.51.04.002White Ceramic 44.25mmWhite21mmCompatible
3290.50Titanium 42mmBlack20mmCompatible
3291.50Titanium 42mmBlack20mmCompatible
318.92.45.79.01.001Titanium 42mmBlack/Blue20mmCompatible
105.012Steel 42mmBlack20mmCompatible
145.022Steel 42mmBlack20mmCompatible

Omega Speedmaster Moonwatch lug widths: 18mm / 19mm / 20mm / 21mm / 22mm

The Speedmaster Professional was worn on the Moon in 1969 and has been NASA's standard-issue watch ever since. It measures elapsed time with a tachymetre scale that predates the digital age by decades. Your training metrics. Your mission elapsed time. Both active.
Frequently paired

Smartwatches worn with Omega Speedmaster Moonwatch

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

Apple Watch
Series 0 to Ultra 3
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
Combination guides

Wear it both ways

Omega Speedmaster Moonwatch + Apple Watch
Apple Watch
→
Omega Speedmaster Moonwatch + Fitbit Air
Fitbit Air
→
Omega Speedmaster Moonwatch + Whoop
Whoop
→
Also compatible

Other brands

Other iconic models in the Smartlet compatibility library.

Submariner
Daytona
GMT-Master
Datejust
Yacht-Master
Sky-Dweller
Explorer
Seamaster 300m
Planet Ocean
Constellation
De Ville
Monaco
Carrera
Formula 1
Aquaracer
Portugieser
Navitimer
Superocean
Avenger
Black Bay
Pelagos
Ranger
Luminor
Radiomir
Submersible
SKX
Prospex
Presage
Khaki Field
BR 03-92
Fifty Fathoms
Reverso
SUB 300
Spring Drive
Essence Leggera
Aquis
Divers Sixty-Five
Chronograph 1
Captain Cook
Superman Heritage
El Primero
Monarch
Black Bay 58 GMT
View all models
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 the Omega Speedmaster Moonwatch?
    Yes. The Omega Speedmaster Moonwatch uses a 18mm / 19mm / 20mm / 21mm / 22mm lug width and is fully compatible with Smartlet. Smartlet replaces the standard strap via the spring-bar system. No modification to the watch is required. The setup is fully reversible.
  • Will Smartlet scratch or damage my Omega Speedmaster Moonwatch?
    No. Smartlet replaces the strap only and makes no contact with the Omega Speedmaster Moonwatch case or crystal. All contact points are non-abrasive. The system is fully reversible and leaves no trace on the watch.
  • Which smartwatches can I wear with my Omega Speedmaster Moonwatch?
    Smartlet is compatible with Apple Watch, Samsung Galaxy Watch, Garmin Forerunner, Garmin Venu, Google Pixel Watch, Polar Vantage, Fitbit Charge, Huawei Watch GT, Withings ScanWatch, Coros, Suunto, and Whoop. The Omega Speedmaster Moonwatch with its 18mm / 19mm / 20mm / 21mm / 22mm lug width is compatible with the full Smartlet range.
  • Where can I buy Smartlet for the Omega Speedmaster Moonwatch?
    Smartlet is available at smartlet.io in Classic, Shadow, and Titanium finishes. Compatible with the Omega Speedmaster Moonwatch and its 18mm / 19mm / 20mm / 21mm / 22mm lug width. No additional accessory required for standard lug widths between 18mm and 24mm.
  • 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.