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. It is fitted with an automatic movement. TISSOT | SEASTAR 1000 Chronograph | 45.5mm Steel Watch, Mesh Bracelet; Green Dial; Black Bezel; Quartz Movement