Description 20 mm vintage Strap from the 40s No 534 gray calf leather Straps, NOS condition, 20/20 mm, 190 mm long, 2.8 mm thick, open ends with ss clips, nice y gold plated polished Buckle, a great vintage high quality strap to match your vintage Watch. The same straps have been used on the german WWII Tutima and Hanhard Pilots Chronos!