Invicta Men's 'Subaqua' Swiss Quartz Stainless Steel and Leather Casual Watch, Color:Black (Model: 18450) 500 Meters; Chrono Functions with 60 Second, 30 Minute & 1/10 of a Second Sub dials; Date Window at 4:00; Unidirectional Gunmetal & Black Stone Distressed IP Stainless Steel Bezel; Tachymeter Black Mother of Pearl Dial w/Gunmetal & White Hands and Hour Markers; Screw-Down Pushers & Crown w/Security Clasp; Flame Fusion Crystal; Gunmetal & Black Distressed IP SS Case; Black Leather Strap Swiss-quartz Movement Case Diameter: 50mm Water Resistant 200m (660ft):in General, Suitable for Professional Marine Activity and Serious Surface Water Sports, but not Diving