Smartlet One Shadow was built for explorers and adventurers.
Forged in Paris from sandblasted black SS316L stainless steel, Shadow embodies quiet strength and refined discretion. Its matte surface absorbs light, giving it a presence that is subtle and understated — yet impossible to ignore. From an early-morning climb to a late-night bar, it adapts seamlessly: rugged enough for the outdoors, refined enough for the city.
With its patented modular system, Smartlet unites tradition and technology on a single wrist. Your classic watch stays protected and ready, while your smartwatch or fitness tracker delivers the data and connectivity you need — without compromise, and without ever breaking your rhythm.
Key features
- Forged in sandblasted black SS316L stainless steel
- Matte finish that absorbs light — discreet yet distinctive
- Water-resistant and engineered to endure daily challenges
- Patented locking system for security and comfort
- Compatible with leading smartwatches, fitness trackers, and from 18mm to 24mm lug widths watches (see below)
Delivery: 3 to 7 days depending on the geography
Classic watches, smartwatches, or fitness trackers are not included. Please check compatibility below before ordering.
Our clients love Smartlet
Wear it your way
Designed to be intuitive, your Smartlet is ready to wear in moments. Discover how to pair it with your favorite watches and smartwatches.on.
Technical specifications
What's in the box?
Smartlet includes
Content of the box includes
- 2 x standard watch connectors (from 18 mm - to 24 mm lug width watch)
- 2 x bracelet sides (mounted with 5 links)
- 4 x additional links for size adjustments (with screws)
- 1 x standard Clasp
- 1 x Smartlet tool ( bracelet removal system)
- 1 x Screwdriver
For the smartwatch / fitness tracker connector (depending on the version selected)
- 2 x standard watch connectors (from 18 mm to 24 mm lug width watch)
- 2x adapters for Apple watch (38/41mm and 42/44/45/49mm)
- 2x adapters for Fitbit Charge 5/6
- 1x adapter for Whoop 5.0 / MG
Smartlet doesn't include any classic watch, smartwatch or fitness tracker, they need to be bought separately.
Dimensions
Material: Stainless steel SS316L or Titanium Grade 2
Weight: between 60 g and 100 g (including connected device)
Height: between 9 mm and 12 mm on the wrist back (including connected device)
Width: between 18,5 mm and 36 mm (including connected device)
As a benchmark, standard stainless steel bracelet on the market specifications:
- Weight: between 60 g and 100 g (same as Smartlet with connected device)
- Height: between 4 mm and 8 mm on the wrist back
- Width: between 18 mm and 22 mm
Smartlet One
The freedom to wear all your watches on one wrist
Compatibility
Watches
Any metal watch with 18mm to 24mm lug widths (depending on the version selected), for example:
Omega (most Seamaster, Speedmaster…),
Tudor (Black Bay, Pelagos),
Tag Heuer (Monaco, Carrera…),
Rolex (submariner, GMT, sea dwellers…),
Zenith (Chronomaster…)
…
Wearables
Most of the smartwatches and selected fitness trackers, for example:
Apple Watches (all sizes)
Google Pixel (all sizes with specific adapters)
Samsung: All Galaxy watches in 40, 41 and 44mm (specific adapter required for Galaxy watch Ultra, Ultra 2 or Galaxy Watch 8) or any model with a lug width from 18 mm to 24 mm
Garmin: any model with a lug width from 18 mm to 24 mm
Huawei: any model with a lug width from 18 mm to 24 mm
Fitbit Charge 5/6
Whoop 5.0 / MG
Smartlet One Accessories
Smartlet was born from a simple idea: freedom of choice. Your watch tells your story, heritage, performance, or daily tracking. With our connectors, you never compromise: integrate, adapt, expand.
How to use your Smartlet?
How to use
How to assemble your Smartlet
How to use
How to wear your Smartlet
How to use
How to remove your Smartlet
Preview your unboxing experience
Standard packaging
Tactical Spy Case
The gift of choice
A Smartlet gift card lets them pick the perfect match for their favorite timepiece.
