Easily fits 38 millimeter or 40 millimeter Apple watch -- just slide into the watch case
Genuine leather watch strap with smooth and reflective water-resistant oilskin finish
Fits 38mm Apple Watches including series 1, series 2, and series 3, as well as 40mm series 4, series 5, and series 6
Standard length fits wrist circumference 6 5/8 to 8 inches (168 to 203 millimeters) when installed on 38mm watch
20 millimeter (13/16 inch) band width