A design tribute to Bulova’s acclaimed ‘70’s Oceanographer "Devil Diver" watch powered by a self-winding mechanical movement with a 42-hour power reserve. Stainless steel screw-back case with screw-down crown, black and green unidirectional bezel, green three-hand dial with luminescent markers and date feature, box sapphire crystal with blue anti-reflective coating, stainless steel bracelet with double-press fold-over buckle closure, safety bar and extender, and water resistance to 200 meters/666 feet. ISO certified. Model : 96B322 Movement : 821D Technology : Automatic Powered by the release of a wound spring, mechanical movements never require a battery. Automatic mechanical movements have an oscillating weight that winds the spring with the motion of the wearer’s arm. Case Width (mm) : 44 Lug Width (mm) : 20 Crystal Double Curved Sapphire Box Crystal Water-Resistance : 200M Dial : Green Luminous Hands and Markers Strap Type : Bracelet : Stainless Steel Case Material : Silver-Tone : Stainless Steel Crystal : Double Curved Sapphire Box Crystal Warranty : 3 Years Global Warranty Additional Functions 3 Hand Automatic Calendar