Tissot Seastar 1000 43mm
 
The Tissot Seastar 1000 merges style and performance without compromising either. With its water resistance up to 30 bar (300 m/1000 ft), screw-down crown and case back, it is the ultimate watersport watch, now combined with the energy of the Powermatic 80 movement offering up to 80 hours of power reserve when most of automatic movements boasts around 40 hours