Technomarine Men's TM-515005 Titanium Reef Analog Display Swiss Quartz Black Watch Chronograph Functions with 60 Second, 30 Minute and Day of The Week Charcoal Carbon Fiber Sub dials; Date Window at 4:00 Gold Dial with Gunmetal, White and Silver Tone Hands and Silver Tone Hour Markers; Luminous; Unidirectional Titanium Bezel; Screw-Down Titanium Crown with Gold Tone Logo; Sapphire Crystal; Titanium Case; Black Silicone Strap with White Backing Swiss-quartz Movement Case Diameter: 48mm Water Resistant To 330 Feet