The Tissot Seastar 1000 is the ultimate watersport watch, with its high water-resistance up to a pressure of 30 bar (300 m/1000 ft), screw-down crown and caseback as well as its unidirectional ceramic bezel. TISSOT | SEASTAR 1000 | 43mm Steel Case with Rose Gold PVD, Black Bezel and Dial; Black Rubber Strap with Pin Buckle; Powermatic 80 hours power reserve.