Band Width (Size): Compatible with watches using spring bars of 18mm, 19mm, 20mm, 21mm, and 22mm. Make sure to measure your watch lug width carefully before selecting the appropriate size.
Italian Calfskin: Toffee Brown, Coffee Brown and Black watch straps are made of Italian calfskin, which is durable and will conform to your wrist with time for superior comfort
Quick Release Spring Bars: Equipped with quick release spring bars, this soft watch band can be installed and removed without tools, very convenient
BISONSTRAP Service: If there are any question about the strap, please let us know. REFUND or FREE REPLACEMENT, we will try our best to satisfy every customer
Band Length: 75mm and 125mm. Thickness: 3mm. This strap is designed to fit wrists 6" to 8" (15.5cm-20cm), but watch geometry also impacts fit