Originally created for the US naval frogmen teams in 1951, this new diver watch from Hamilton meets the high demands of working underwater. The 46mm titanium case includes a locking crown protector to ensure the time cannot be changed by accident, and features a red aluminum unidirectional rotating bezel. A sapphire crystal with double anti-reflective coating tops the black dial enhancing visibility in low light. The men's watch features an automatic movement with 80 hours of power reserve. A titanium buckle secures the black rubber strap, and the men's watch is water-resistant to 1,000 meters. Available online while supplies last. Previously Owned Treasures are not eligible for in-store pick-up. Previously Owned Treasures may only be shipped either to your home address or to an alternate address. Price comparison based on new item pricing.