iStrap Calf Leather Watch Strap Quick Release Band Deployant Clasp Replacement 18 19 20 21 22 24mm With quick release spring bar: Swap bands in a matter of seconds without the need for tools or extra spring bars,simply slide quick release knob with finger. High quality AND Nice looking:This specially selected top layer of cowhide with full grain is taken from france, retains the texture of the original hide,it is uinque and nice looking. Compatible with most traditional or smart watches: Fit Tissot, Longiness, Panerai, Citizen ,Seiko , Omega,Huawei Watch; Samsung Gear; Moto Watch; LG Watch; Asus Zenwatch; Pebble Watch; Withings Watch, Guess watch, Timex watch, COACH Watch, Nixon Watch etc. on your wrist as soon as you tear open the package. Comfortable and Durable:Straps are achieved by using traditional production methods,they represent the highest level of france leather workmanship, leather also feel soft, extremely flexible and durable,very comfortable to wear. Size: Width is 18mm to 22mm , the length is 120mm at long size, 80mm at short side,could fit 5.6 inch to 6.9 inch wrist without watch case,thickness about 4mm tapers to 2.5mm.