Your Cartier Santos Large and a smartwatch: what fits

Your Cartier Santos Large and a smartwatch: what fits

Smartlet One does not fit the Cartier Santos Large references (0 of 23 in our base): its bracelet and straps attach through the Cartier QuickSwitch system rather than standard spring bars. Below, the watches that do fit, with your smartwatch underneath.
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Cartier Santos de Cartier Large compatibility

Your Cartier Santos Large and a smartwatch: what fits

In short Smartlet One does not fit the Cartier Santos Large references (0 of 23 in our base): its bracelet and straps attach through the Cartier QuickSwitch system rather than standard spring bars. Below, the watches that do fit, with your smartwatch underneath.

Our compatibility base checks the Cartier Santos Large reference by reference, and the answer is mostly no: its bracelet and straps attach through the Cartier QuickSwitch system rather than standard spring bars. If you love this watch, keep it on its own strap. For dual wear, look at the Cartier Tank Louis or Tank Must Large, or a Santos-Dumont: Smartlet One fits them on standard spring bars.

Wear yours How it works
The problem
Choosing between health data and horological heritage every morning.
The solution
For dual wear, choose the Cartier Tank Louis or Tank Must Large, or a Santos-Dumont: Smartlet One fits them on standard spring bars, your watch on top and your smartwatch underneath.
Model
Cartier Santos de Cartier Large
Lug width
Standard spring bars
References
Full range
Reversible
Fully

Choose your Smartlet

Compatibility

Cartier Santos de Cartier Large models supported

The Santos was the first wristwatch designed by Louis Cartier for Alberto Santos-Dumont in 1904, who needed to check his watch while flying. The exposed screws, the square case, the integrated bracelet all functional, all now iconic. History and technology on one wrist.
Frequently paired

Smartwatches worn with Cartier Santos de Cartier Large

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
45 to 955 and 570
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.

Questions

Frequently asked questions

  • Does Smartlet work with the Cartier Santos Large?
    Not for most references: none of the 23 Cartier Santos Large references in our base fit Smartlet One, because its bracelet and straps attach through the Cartier QuickSwitch system rather than standard spring bars. We would rather tell you now than after you order.
  • I own a Cartier Santos Large: what can I wear with a smartwatch?
    Keep the Cartier Santos Large on its own strap, and choose the Cartier Tank Louis or Tank Must Large, or a Santos-Dumont for the days you want your health data on the same wrist. Each fits Smartlet One on standard spring bars.
  • 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.