354 Padded Waterproof Leather Watch Strap a classic look for any watch. Alpine 354 Waterproof Leather Watch Strap is padded, making it comfortable to wear. The black watch strap has black stitching, and the brown watch strap has red stitching. Select the size and colour that best suits your watch. Lug/Buckle Measurements: 14mm/12mm, 16mm/14mm, 18mm/16mm, 18mm/16mm long, 20mm/18mm, 20mm/18mm long, 22mm/18mm, 22mm/18mm long & 24mm/24mm.