385 Stitched Alligator Grain Watch Strap a genuine leather Alpine watch band with alligator grain. The 385 watch bands are available in black, brown, white, blue, green as well as tan, and is available in a variety of sizes. Select the size and colour that best suits your watch. Lug/Buckle Measurements: 12mm/10mm, 14mm/12mm, 16mm/14mm, 18mm/16mm, 20mm/18mm.