B Uhr 20 mm Custom Straps WWII No 487 Custom made from brown Calf Leather 20 mm B - UHR Strap by Jürgens Hand Made in Germany, 220 mm long The original WWII German Luftwaffe design, This straps are created in the 30s for the German air force for German Pilot / Observer and Navigator watch in B Uhr size & design. The strap will come with a set of 4 brass rivets to fix it on the fixed bars on your watch We ship well packed in a registered airmail bubble envelope