Designed to keep pace with your aquatic adventures, this Longines HydroConquest automatic watch follows a long tradition of high-performance timepieces. Water resistant to 300m this is a watch created with water-sports enthusiasts in mind. At A Glance  Brushed and polished stainless steel bracelet 41mm stainless steel case with a ceramic unidirectional rotating bezel and 300m water resistance Scratch resistant sapphire crystal glass with double anti-reflective treatment Sunray grey dial with luminous Arabic numeral and dot hour markers Date window at 3 o’clock Transparent caseback Powered by a Caliber L619/888 automatic movement Power reserve of up to 64 hours