Smartlet - One Classic - Fitbit Charge - 21mm lug width watch - Silver

Smartlet Classic is a modular watch strap system that lets you wear your mechanical watch and smartwatch simultaneously on the same wrist. Compatible with 100+ watch brands (18-24mm lug width) and leading smartwatch platforms including Apple Watch, Garmin, Samsung Galaxy Watch, Fitbit Charge, and WHOOP. Crafted in Paris from SS316L stainless steel with a hand-brushed silver finish. Recognized at the Concours Lepine International Paris 2025 and selected for CES 2026.

• Universal compatibility: Compatible with over 100 mechanical watch brands using 18–24mm lug widths and major smartwatch platforms including Apple Watch, Garmin, Samsung Galaxy Watch, Fitbit Charge, WHOOP, Huawei, and Coros for broad device support.
• Wear two watches at once: Modular strap system lets you wear a mechanical watch and a smartwatch side-by-side on the same wrist, preserving the classic watch look while keeping smartwatch functionality accessible.
• Premium SS316L stainless steel: Crafted in Paris from corrosion-resistant SS316L stainless steel with a hand-brushed silver finish for durable, premium styling and long-lasting wear.
• 21mm lug width compatibility: Designed specifically for 21mm lug widths, this Smartlet Classic reference includes a 21mm lug adapter set to ensure a secure fit with compatible watch cases.
• Award-winning innovation: Recognized at Concours Lépine International Paris 2025 and selected for CES 2026, the Smartlet Classic combines award-winning innovation with practical everyday use.