Bulova Men's 98B243 Sea King Analog Display Quartz Black Watch Imported Chronograph Functions with 60 Second, 60 Minute and 1/10 of a Second Sub dials; Ultra High Frequency (UHF); Unidirectional Black Ion-Plated Stainless Steel Bezel Black Dial with Grey, White and Yellow Hands and White and Yellow Hour Markers; Luminous; Screw-Down Crown; Sapphire Crystal; Black Ion-Plated Stainless Steel Case; Black Rubber Strap Quartz Movement Case Diameter: 48mm Water resistant to 300 meters, in general, withstands splashes or brief immersion in water, but not suitable for swimming or bathing