Wear a smartwatch with your Cartier Santos | Smartlet
Wear a smartwatch
with your Cartier Santos de Cartier Large
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.
Covered references
| Reference | Smartlet | Lug width | Case | Case material | Dial |
|---|---|---|---|---|---|
| TSD-CPCP-2001 | Compatible | 17mm | - | 18K Yellow Gold | Argent |
| W20106X8 | Compatible | 20 mm | - | Stainless Steel | White |
| W20072X7 | Compatible | 23mm | - | Steel/Yellow Gold | White |
| W20073X8 | Compatible | 23mm | - | Stainless Steel | White |
| W20091X7 | Compatible | 24 mm | - | Stainless Steel | White |
| WSSA0006 | Compatible | 23mm | - | steel / ADLC coating | Black |
| WSSA0014 | Compatible | 23mm | - | steel / ADLC coating | Black |
| SANTOS-LDN-1925 | Compatible | 16mm | - | 18K Yellow Gold | White Enamel |
| SANTOS-LND-1965 | Compatible | 16mm | - | 18K Yellow Gold | White |
| SD-1928-PLAT | Compatible | 16mm | - | Platinum | White Enamel |
| SD-CPCP-1999 | Compatible | 17mm | - | 18K Yellow Gold | Guilloché Silver |
| SD-1915 | Compatible | 16mm | - | 18K Yellow Gold | White Enamel |
| WJSA0018 | Compatible | 19 mm | - | 18K Pink Gold | Argent |
| WSSA0022 | Compatible | 19 mm | - | Stainless Steel | Argent |
| W2SA0011 | Compatible | 19 mm | - | Steel/Yellow Gold | Argent |
| WGSA0052 | Compatible | 20 mm | - | 18K Pink Gold | Burgundy Lacquer |
| SDSM-MR-2023 | Compatible | 20 mm | - | Titanium/Sapphire | Skeleton |
| SD-TOKYO-2019 | Compatible | 20 mm | - | Steel | Navy Tokyo |
| WGSA0032 | Compatible | 20 mm | - | 18K Pink Gold | Argent |
The Cartier Santos de Cartier Large uses a 20mm lug width. Smartlet One attaches to the same wrist via a spring-bar adapter. Zero contact with the watch case, lugs, or bracelet. Fully reversible in seconds.
Smartwatches to pair with your Cartier Santos de Cartier Large
All smartwatches below can be worn simultaneously with your Cartier Santos de Cartier Large via Smartlet One.
Similar models from other brands
Watch lovers who own a Cartier also pair Smartlet with these models.
Frequently asked
Does Smartlet work with the Cartier Santos de Cartier Large?
Yes. The Cartier Santos de Cartier Large uses a 16mm / 17mm / 19mm / 20mm / 23mm / 24mm lug width and is fully compatible with Smartlet One. Smartlet One replaces the standard strap via the spring-bar system and positions your smartwatch on the same wrist. The Cartier Santos de Cartier Large requires no modification, no drilling, and no adhesive. The setup is fully reversible in seconds and your Cartier can be worn independently at any time by reinstalling its original strap.
Will Smartlet scratch or damage my Cartier Santos de Cartier Large?
No. Smartlet One makes no contact with the Cartier Santos de Cartier Large 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 Cartier Santos de Cartier Large is protected throughout. The system is fully reversible and leaves no trace.
Which smartwatches can I wear with my Cartier Santos de Cartier Large?
Smartlet One 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 Cartier Santos de Cartier Large with its 16mm / 17mm / 19mm / 20mm / 23mm / 24mm lug width is compatible with the full Smartlet range. All smartwatch sensors remain operational when worn via Smartlet.
Where can I buy Smartlet One for the Cartier Santos de Cartier Large?
Smartlet One 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 Cartier Santos de Cartier Large and work with its 16mm / 17mm / 19mm / 20mm / 23mm / 24mm lug width. Orders ship internationally from Europe. No additional accessory is required for standard lug widths between 18mm and 24mm.