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Wear a smartwatch with your Rolex Sky-Dweller | Smartlet

Rolex compatibility guide

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.

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.
ModelRolex Sky-Dweller
Lug width21mm
Case size42mm
MovementCal. 9001
Water resistance100m
Introduced2012
Smartlet compatibleYes
References

Covered references

Reference Smartlet Lug width Case Case material Dial
326238-0003 Compatible 21mm 42mm Yellow Gold Blue
326934-0003 Compatible 21mm 42mm 904L steel / white gold Blue
326235-0006 Compatible 21mm 42mm Everose gold Chocolate
326239-0002 Compatible 21mm 42mm White Gold Silver
326934-0001 Compatible 21mm 42mm 904L steel / white gold White
Smartlet compatibility

The Rolex Sky-Dweller uses 21mm lug width. Smartlet attaches via the standard spring-bar system. Zero contact with the watch case, lugs, or crystal. Fully reversible in seconds.

Compatible smartwatches

Smartwatches to pair with your Rolex Sky-Dweller

All smartwatches below can be worn simultaneously with your Rolex Sky-Dweller via Smartlet.

View all compatible smartwatches →
Questions

Frequently asked

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 and positions your smartwatch on the same wrist. The Rolex Sky-Dweller requires no modification, no drilling, and no adhesive. The setup is fully reversible in seconds and your Rolex can be worn independently at any time by reinstalling its original strap.

Will Smartlet scratch or damage my Rolex Sky-Dweller?+

No. Smartlet makes no contact with the Rolex Sky-Dweller case, bezel, or crystal. It replaces the strap only, using the existing spring-bar slots. The module is manufactured in 316L stainless steel or titanium with polished and brushed finishing, and all contact points are non-abrasive. Your Rolex Sky-Dweller is protected throughout. The system is fully reversible and leaves no trace.

Which smartwatches can I wear with my Rolex Sky-Dweller?+

Smartlet is compatible with Apple Watch (all series), Samsung Galaxy Watch (4, 5, 6, 7), Garmin Fenix (6, 7, 8), 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. All smartwatch sensors remain operational when worn via Smartlet.

Where can I buy Smartlet for the Rolex Sky-Dweller?+

Smartlet is available directly at smartlet.io in three finishes: Classic (316L stainless steel), Shadow (PVD black-coated 316L), and Titanium. All three finishes are compatible with the Rolex Sky-Dweller and work with its 21mm lug width. Orders ship internationally from Europe. No additional accessory is required for standard lug widths between 18mm and 24mm.