Dive into style with the Tissot Seastar 1000 Powermatic 80 40mm. Featuring a 40mm diameter, quick release interchangeable bracelet, and 80-hour power reserve, this watch boasts a 316L stainless steel case, transparent background, and screw-down crown and case back. It includes a Swiss automatic movement, scratch-resistant sapphire crystal with anti-reflective treatment, and is water resistant up to 30 bar (300 m / 1000 ft). Reference: T120.807.11.051.00.