The Tissot Seastar 1000 is the ultimate diving 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 steel bezel with aluminum ring and highly luminescent material for excellent readability in the dark. Foldover clasp Chronograph dial Swiss quartz movement Warranty available Imported Product Specifications 45.5 mm case size Material & Care Stainless steel Clean with a soft cloth