Featuring an impressive 600m water resistance, this Tissot T-Sport Seastar Automatic Men\'s Watch is leading the way for professional diving. At A Glance  Presented on a brushed and polished stainless steel bracelet 46mm stainless steel case with a black ceramic anti-clockwise rotating bezel 600m water resistance with a helium valve at 9 o’clock Scratch resistant sapphire crystal glass Blue wave-patterned dial with luminous baton and dot hour markers Date window at 6 o\'clock Powered by the Powermatic 80 Swiss movement Power reserve of up to 80 hours