Swiss Legend Men's 'Trimix Diver' Swiss Quartz Stainless Steel Casual Watch (Model: 13844-02-BB) Chronograph Functions with 60 Second, 30 Minute and Day of The Week Sub dials; Date Window at 4:00; Crown with Screw-Down Protective Cap White Dial with Black and White Hands and Black Arabic Numerals; Luminous; Stainless Steel Bezel with Black Top Ring; Sapphitek Crystal; Stainless Steel Case; Black Silicone Strap Swiss-quartz Movement Case Diameter: 46mm Water Resistant 200m (660ft):in General, Suitable for Professional Marine Activity and Serious Surface Water Sports, but not Diving