Tissot Seastar 1000 Quartz Chronograph, the Ultimate High Performance versatile watch. This watch boosts Impressive water-resistance up to a pressure of 30 bar (300 m/1000 ft) is combined with the energy of a Swiss-made quartz movement. With a screw-down crown and case back, unidirectional ceramic safety bezel and Super-LumiNova® ensuring it is readable in the dark, the Seastar 1000 Quartz is an aquatic ace that truly has it all. The screw-down crown also offers additional protection against knocks. Watch Details: Water resistance; 30 bar (300 M/1000 FT) Case: Stainless Steel-45.50 mm Lugs:22.00mm Case Options: Aluminum Bezel Ring, Anti-Clockwise Rotating Bezel, Screw Down Crown and Caseback, Screw Down Pushers Crystal: Sapphire with Double Sided Anti-reflective Coating Movement:Swiss Quartz Dial: Blue with Indexes Strap/Chain Reference: T605046894 Strap Details: Stainless Steel with Folding Clasp with Safety, Diver Extension and Push Buttons, Interchangeable Quick release bracelet