Discover the Tissot Seastar 2000 Professional Powermatic 80, a 46 mm diving watch certified to ISO 6425 (2018). Features include a 316L stainless steel case, transparent background, screw-down crown and case back, ceramic bezel ring, and up to 80 hours of power reserve. Swiss automatic movement and scratch-resistant domed sapphire crystal with anti-reflective treatment. Reference: T120.607.17.441.01.