SWAP IN SECONDS: Swap daily to compliment your wardrobe or mix and match with BARTON’s silicone quick release bands to take your timepiece from the workplace to the gym. Simply slide quick release knob with finger as shown in diagram. SELECT PROPER WIDTH: Compatible with any traditional or smart watch that uses 22mm spring bars. Quick release spring bars are included with and integrated into the band, so it's important that your watch's lug width matches exactly. Measure where band meets the watch casing. You can also find the specifications for most watches by searching online. After determining proper width, click your heels three times and select the corresponding width. TOP GRAIN & IDEAL COMFORT: Hand selected top grain leather with 316 stainless steel buckle. Treated underside is ultra-soft against the skin and minimizes slipping while providing ideal comfort. SMART WATCH WIDTHS: 22mm - Samsung Gear S3 Frontier, Samsung Gear S3 Classic, Samsung Galaxy Watch, Samsung Galaxy Watch 3, Fossil Gen 5 Carlyle, Fossil Sport :: 20mm - Samsung Galaxy Watch 6, Samsung Galaxy Watch 6 Classic, Samsung Galaxy Watch 5, Samsung Galaxy Watch 5 Pro, Samsung Galaxy Watch 4, Galaxy Watch 4 Classic, Samsung Galaxy Watch 3, Samsung Gear S2 Classic, Samsung Gear Sport, Samsung Galaxy Watch, Samsung Gear Sport, Samsung Galaxy Watch Active, Samsung Galaxy Watch active 2 BARTON Watch Bands - Top Grain Leather Quick Release Straps feature integrated quick release spring bars and an ultra-smooth underside. Fabricated from hand selected leather and 316 stainless steel. Quick release spring bars make it easy to swap straps in a matter of seconds without the need for tools. Buy multiple and swap regularly to compliment your wardrobe or mix and match with BARTON’s silicone quick release bands to take your timepiece from the workplace to the gym. Compatible with any watch (traditional or smart watch) that uses standard 16mm, 18mm, 20mm, 22mm or 24mm spring bars. To determine proper width for your watch, measure the width where current band attaches to the watch head. A few common compatible smart watch widths: -Asus Zenwatch 2 1.63" :: 22mm width -Asus Zenwatch 2 1.45" :: 18mm width -Fossil Q Tailor :: 18mm -Q Gazer :: 20mm -Q Founder 2.0 / Marshal / Wander / Crewmaster :: 22mm-Q Accomplice / Neely :: 16mm-Q Nate Hybrid :: 24mm -Huawei Watch :: 18mm width -Huawei Watch 2 :: 20mm width -Huawei Watch 2 Classic :: 22mm width -Moto 360 2nd Gen 46mm :: 22mm width -Moto 360 2nd Gen Men's 42mm :: 20mm width -Moto 360 2nd Gen Woimen's 42mm :: 16mm width -Most Pebbles :: 22mm width -LG Watch, Urbane and R :: 22mm width -LG Watch Style :: 18mm width -Samsung Gear S2 Classic :: 20mm width -Samsung Gear S3 Classic or Frontier :: 22mm width -Galaxy Watch 42mm :: 20mm width -Galaxy Watch 46mm :: 22mm width -Samsung Gear Sport :: 20mm width -Withings Activité :: 18mm width -Withings Steel HR 36mm :: 18mm width -Withings Steel HR 40mm :: 20mm width They will also fit hundreds of other traditional watches with standard 16mm, 18mm, 20mm or 24mm lug widths.