This sports strap is constructed from genuine calfskin leather
The strap fits IWC, Tag Heuer, Hugo Boss, Tissot etc.
Fitted 20mm 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