A-11 1940s WWII Pattern Automatic Military Watch 100m Water Resistant With Shatter and Scratch Resistant Box Sapphire Crystal on Matching Retro "Bonklip" Pattern Bracelet with an Additional Canvas StrapSKU Code: A 11 BL Overview This recreation is closely based on the original World War II design from 1943, now enhanced with a high performance, self winding 24 jewel mechanical movement and upgraded to a box sapphire crystal. This crystal is both shatter and scratch resistant while maintaining the appearance of the original plexiglass used during the war. Various manufacturers like Elgin, Bulova, and Waltham produced watches based on US government