Omega Speedmaster Chronograph Automatic, men's watch with black dial. Features a silver-tone stainless steel case and bracelet. Includes fixed bezel with an aluminium top ring showing tachymeter markings. Black dial is accented by rhodium-plated hands and hour markers. Minute markers present around the outer rim. Analog chronograph functions include three sub-dials for 60-second, 30-minute, and 12-hour readings. Powered by Omega Calibre 3330 Automatic movement (based on ETA Valjoux 7753), equipped with a 31-jewel system running at 28800 vph, offering approximately 52 hours power reserve. Scratch resistant sapphire crystal. Secured with pull/push crown and solid case back. Hour, minute, second functions included. Speedmaster series.