SELECT PROPER WIDTH: Compatible with any traditional or smart watch that uses 20mm spring bars. Quick release spring bars are included with and integrated into the band, so it is important that your watch's lug width matches exactly. COMMON COMPATIBLE WATCHES: Our 20mm bands are compatible with - Timex Weekender Chronograph 40mm, Unisex Weekender 38mm, Expedition Scout 40mm & Seiko Models SRPD55, SRPD51, SRPE53, SNKL45, SNE591, SRPE27, SNE549, SRPG41, SRPG39, SRPG29, SNKK27, SRPH29, SRPH31 & Swatch X Omega Moonswatch & Samsung Galaxy Watch7, Watch6, Watch5, Watch4, Watch3 (41mm), Active 2, Active, Gear Sport & Amazfit Bip. BARTON QUALITY: Top grain cowhide leather watch band with embossed alligator or crocodile styling. 316L surgical grade brushed steel buckle. LUXURY STYLING: 2mm taper from watch head to buckle. 20mm uses 18mm buckle. Padded for style and comfort. Total thickness is approximately 5mm near spring bar and 3mm near holes. OPTIMAL FIT: Approximately 8" total length when not attached to watch; Designed to fit wrists 5.75" to 8", but watch geometry also impacts fit.