A sophisticated Omega Seamaster Chronograph Automatic Chronometer watch with a grey waves dial, luminous blue hands and markers. Features include date display at the 6 o'clock position, two sub-dials showing elapsed minutes (up to 12 hours) and seconds (up to 60), an automatic mechanical movement Caliber 9900 with 54 jewels operating at 28800 vph and offering a 60-hour power reserve. Constructed from stainless steel with a screw-down bezel equipped with a blue ceramic count-up insert, luminous elements on the dial and hands ensure optimal readability in low light conditions. This diving watch style boasts water resistance to 300 meters / 1000 feet, is protected by a scratch-resistant sapphire crystal glass, features a round case measuring 44 mm in diameter with matching stainless steel bracelet of 21 mm width secured via a fold-over clasp with push-button release. The Seamaster collection includes this timepiece which carries the Swiss Made label and functions as an approved chronometer.