Armitron Men's 20/5165BKTI Multi-Function Dial Black Bracelet Watch Wall-to-wall mineral crystal lens; black sunray dial with day, date and 24 hour sub dials; silver-tone hands Black adjustable link bracelet; fold over clasp with double push-button safety Japanese-quartz Movement Case Diameter: 42mm Water resistant to 50m (165ft:in general, suitable for short periods of recreational swimming, but not diving or snorkeling