Wear a smartwatch with your Rolex Sky-Dweller

Wear a smartwatch with your Rolex Sky-Dweller

Smartlet is compatible with the Rolex Sky-Dweller. Lug width: 21mm - natively supported with no adapter. Installation uses the standard spring-bar system. No modification to the watch required. Fully reversible in seconds.
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Rolex Sky-Dweller compatibility

Wear a smartwatch with your Rolex Sky-Dweller

In short Smartlet is compatible with the Rolex Sky-Dweller. Lug width: 21mm - natively supported with no adapter. Installation uses the standard spring-bar system. No modification to the watch required. Fully reversible in seconds.

The Sky-Dweller is the most technically complex Rolex produced for the general public. The Saros annual calendar system and dual time zone display are controlled via the rotating bezel. 42mm case, 20mm lugs. Smartlet clips your Apple Watch or Samsung Galaxy Watch onto the same wrist. Both instruments. One wrist.

Wear yours How it works
The problem
Choosing between health data and horological heritage every morning.
The solution
Smartlet One replaces your Rolex Sky-Dweller'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
Rolex Sky-Dweller
Lug width
21mm
References
5covered
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 (16)

Stealth. Switch in seconds, leave no trace.

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

Rolex Sky-Dweller models supported

Covered references

5 references covered.

ReferenceMaterialDialLugSmartlet
326238-0003Yellow Gold 42mmBlue21mmCompatible
326934-0003904L steel / white gold 42mmBlue21mmCompatible
326235-0006Everose gold 42mmChocolate21mmCompatible
326239-0002White Gold 42mmSilver21mmCompatible
326934-0001904L steel / white gold 42mmWhite21mmCompatible

Rolex Sky-Dweller lug widths: 21mm

The Sky-Dweller is the most technically complex Rolex produced for the general public. The Saros annual calendar system and dual time zone display are controlled via the rotating bezel. 42mm case, 20mm lugs. Smartlet clips your Apple Watch or Samsung Galaxy Watch onto the same wrist. Both instruments. One wrist.
Frequently paired

Smartwatches worn with Rolex Sky-Dweller

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
Also compatible

Other brands

Other iconic models in the Smartlet compatibility library.

Submariner
Daytona
GMT-Master
Datejust
Yacht-Master
Explorer
Seamaster 300m
Speedmaster
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 Rolex Sky-Dweller?
    Yes. The Rolex Sky-Dweller uses a 21mm 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 Rolex Sky-Dweller?
    No. Smartlet replaces the strap only and makes no contact with the Rolex Sky-Dweller 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 Rolex Sky-Dweller?
    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 Rolex Sky-Dweller with its 21mm lug width is compatible with the full Smartlet range.
  • Where can I buy Smartlet for the Rolex Sky-Dweller?
    Smartlet is available at smartlet.io in Classic, Shadow, and Titanium finishes. Compatible with the Rolex Sky-Dweller and its 21mm 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.