This watch strap is made of two layers of genuine leather glued together. This design makes the strap robust & durable. It comes with stainless steel polished silver-coloured buckle, & two spring bars. It can be fitted either on watches with fixed bars or with standard lugs. Model: Leather Nato Attribute: Military, 3 rings, For Fixed Lugs, Thin (thickness), Flat, Smooth Length:Regular Length Material: Genuine Leather Closing Type: Buckle, polished stainless steel, fixed by spring bar (removable) Spring Bars: Included (Buyers should compare the supplied spring bars with the spring bars originally installed on the watch) MEASUREMENTS FOR 18mm WIDTH - Strap Length (excl. the buckle): 285mm Strap Width: 18mm Max Combined Length (to the first hole): 265mm Min Combined Length (to the last hole): 170mm Thickness: 1.5mm Number of Rings: 3 Number of Holes: 12 MEASUREMENTS FOR 20mm WIDTH - Strap Length (excl. the buckle): 285mm Strap Width: 20mm Max Combined Length (to the first hole): 265mm Min Combined Length (to the last hole): 170mm Thickness: 1.5mm Number of Rings: 3 Number of Holes: 12 MEASUREMENTS FOR 22mm WIDTH - Strap Length (excl. the buckle): 285mm Strap Width: 22mm Max Combined Length (to the first hole): 265mm Min Combined Length (to the last hole): 170mm Thickness: 1.5mm Number of Rings: 3 Number of Holes: 12 MEASUREMENTS FOR 24mm WIDTH - Strap Length (excl. the buckle): 285mm Strap Width: 24mm Max Combined Length (to the first hole): 265mm Min Combined Length (to the last hole): 170mm Thickness: 1.5mm Number of Rings: 3 Number of Holes: 12 18mm 20mm 22mm 24mm Genuine Leather Nato Watch Strap Band, Military, G10, For Fixed Or Standard Lugs Ss. Buckle Black Brown Blue Grey Red