Jiusko Men's 'Deep Sea Series' Quartz Titanium and Silicone Diving Watch, Color:Black (Model: 75LSB0202) Imported 24 Jeweled Automatic Self-Wind Movement. 40 Hours Power Reserve. 21,600 bph. (No battery necessary) Unidirectional Ceramic Bezel. Date (3H), Day (7--8H) Helium Valve (9H) Luminous Display for Low Light. Up to 300 Meters (984 Feet) Water Resistant. Screw Down Waterproof Crown. Suitable for scuba diving. Titanium, Sapphire Crystal, Comfortable Silicone Strap. Presentation: Jiusko Professional Hard Shell Storage Case, Leather Card Holder with Warranty Card and Manual, Watch Care Cloth