Luminox Men's 3001 Quartz Navy Seal Dive Watch Imported Quartz Movement, Case material: Carbon reinforced PC Case Bezel: Rotating 1-Way Diver, Case Back: Caseback with Screws, Crown: Double-Security Gasket Case diameter: 43 mm Polyurethane case, Black dial, Date function, Strap/Bracelet material	Rubber / Silicone / PU Water resistance 200 m / 660 ft / 20 atm Precise Swiss-Quartz movement Mineral crystal Case diameter: 43 mm Polyurethane case; Black dial; Date function Water resistant to 660 feet (200 M): suitable for recreational scuba diving