MWC 21 Jewel 1980s Pattern 300m Automatic Military Divers Watch with Sapphire Crystal and a Black and a Grey NATO StrapProduct Code: SUB MILSSAU MY These diver's watches are a remake of a 1980s model we produced until around 35 years ago. The watch features a robust stainless steel case and is equipped with a high performance automatic 21,600 bph 21 jewel self winding movement. We have made several upgrades to the original design, including a shatter and scratch resistant sapphire crystal and an increased water resistance rating. The dial and caseback are both