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. Foldover clasp Chronograph dial Swiss quartz movement Chronograph display Warranty available Imported Product Specifications 45.5 mm round case Material & Care Stainless steel Requires specialty care