Discover the Tissot Seastar 1000 Quartz Chronograph, featuring a 45.5mm diameter, 316L stainless steel case, aluminium bezel ring, screw-down crown and caseback, Swiss Quartz movement, scratch-resistant sapphire crystal with double-sided antireflective coating, and water resistance up to 30 bar (300 m / 1000 ft). Precision and durability for your adventures. Reference: T120.417.17.051.02.