Bulova men's watch 96B321 Oceanographer Devil Diver collection, only time. Automatic movement with 40 hours of power reserve. Screw-down caseback. 44 mm diameter stainless steel case with screw-down crown. Case thickness 14 mm. Round blue dial with luminescent baton markers. Date display at 3 o'clock. Unidirectional rotating bezel in blue and orange. Calendar function. Curved sapphire crystal with anti-reflection treatment. Stainless steel strap with folding clasp with safety bar and extender over the suit. WR 20 bar with ISO certificate. Weight 158 g. The Bulova Oceanographer was designed in the 1970s for the Marines' underwater missions. A curiosity: it was nicknamed the “Devil Diver” watch because it guarantees its water resistance up to 666 feet, or 200 meters. Product complete with original Bulova packaging and certificate