Rolex GMT-Master II & Whoop on the same wrist

Rolex GMT-Master II & Whoop on the same wrist

Yes. The Rolex GMT-Master II uses a 20mm lug width across current references and is compatible with Smartlet One. The Whoop 5.0 sits underneath the wrist via the Whoop adapter included in every Smartlet box. The GMT-Master II is unchanged.
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Compatibility guide

Rolex GMT-Master II & Whoop on the same wrist

Rolex GMT-Master II + Whoop
Yes. The Rolex GMT-Master II uses a 20mm lug width across current references and is compatible with Smartlet One. The Whoop 5.0 sits underneath the wrist via the Whoop adapter included in every Smartlet box. The GMT-Master II is unchanged.
GMT-Master II lug width
20mm
Whoop compatibility
Whoop 5.0 / MG
Adapter included
Yes, in every Smartlet box
Use case
Travel and recovery tracking

Why frequent travellers wear a GMT-Master II and Whoop together

Is the Rolex GMT-Master II compatible with Whoop on Smartlet?

Compatible
Yes. The Rolex GMT-Master II uses a 20mm lug width across current references and is compatible with Smartlet One. The Whoop 5.0 sits underneath the wrist via the Whoop adapter included in every Smartlet box. The GMT-Master II is unchanged.
GMT-Master II lug width
20mm Supported
All current references, Batman, Pepsi, Root Beer
Whoop model
Whoop 5.0 / MG
Adapter included in Smartlet box
Interference
None
GMT and Whoop operate independently
Smartlet model
Classic, Shadow or Titanium
From 299 EUR

Related compatibility guides

Model guide
Rolex GMT-Master II
→
Brand guide
All Rolex models
→
Smartwatch guide
Whoop compatibility
→
Full guide
Whoop with a Rolex
→

More ways to wear Smartlet

Rolex GMT-Master II + Apple Watch
GMT-Master II
→
Rolex Submariner + Whoop
Submariner
→
Rolex Daytona + Whoop
Daytona
→

Choose your Smartlet

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.

Questions

Frequently asked questions

  • Which GMT-Master II references work with Smartlet and Whoop?
    All current GMT-Master II references use 20mm lug widths and are compatible: 126710BLNR (Batman), 126710BLRO (Pepsi), 126711CHNR (Root Beer), 126719BLRO (Pepsi White Gold).
  • Does wearing Whoop on Smartlet affect the GMT-Master II?
    No. The GMT-Master II and Whoop operate entirely independently. Smartlet creates no electronic or physical interference between the two devices.
  • Can Whoop track jet lag recovery while travelling?
    Whoop's journal and HRV monitoring work regardless of time zone. On the Smartlet, the Whoop sits underneath the wrist against the skin.
  • 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.