Authentic Omega Seamaster Planet Ocean 600M Chronograph. 45.5mm stainless steel case with black rubber-lined alligator leather strap and folding clasp. Features luminous silver tone hands, index hour markers (with minute markers), date display at the 6 o'clock position, chronograph functions with sub-dials for seconds, hours, power reserve, and minutes indicators around outer rim. Equipped with scratch-resistant sapphire crystal glass, screw-down crown, automatic - Chronometer movement powered by Omega Calibre 9900 engine (luminous silver tone hands, index hour markers). Includes uni-directional rotating bezel and transparent case back. Water resistant up to 600 meters / 2000 feet.