This sports strap is constructed from genuine calfskin leather 

The strap fits Seiko, Tissot, Hugo Boss, etc.

Fitted 22mm lug watches

Straps size:

Length: 115mm +75mm (4.50" + 3.00" )approx. without buckle

Thickness: 3.0mm -4.5mm ( 0.125" - 0.1875" ) approx.

Use a metric ( mm ) to measure your watch lug size