421 Leather Watch Band With Cordura Fabric Water resistant leather combined with Cordura fabric makes for a classic looking, casual watch strap. The strap is available in black, olive, khaki, grey, red,navy blue & orange. Select the size and colour that best suits your watch. Lug/Buckle Size: 14mm/12mm, 16mm/14mm, 18mm/16mm, 20mm/18mm, 22mm/20mm.