Strap Size: 18 mm; Case Size: 33x35 mm; Crystal Type: Sapphire; Number of Diamonds: 155; Diamond Weight: .71 ct Water Resistant: 5 ATM; Movement: Swiss; Origin: Imported Swiss-quartz Movement Case Diameter: 35mm Water resistant to 50m (165ft: in general, suitable for short periods of recreational swimming, but not diving or snorkeling