Omega Calibre 2500 automatic movement, approximately 48 hours power reserve, stainless steel case and bracelet, fixed bezel, blue dial with silver-tone hands and index hour markers, minute markers on the outer rim, analog display, date window at the three o'clock position, scratch-resistant sapphire crystal lens, round case shape measuring 42.2 mm in diameter, deployment push-button clasp closure, water resistance up to 50 meters (165 feet), functions include hour, minute, second and date indications