Silver-tone stainless steel case and bracelet with fixed bezel featuring black ceramic insert displaying tachymeter markings. White dial includes luminous black hour and minute hands, index markers, outer minute ring, date display at the 6 o'clock position, luminescent markers for night readability, analog design. Equipped with a chronograph function featuring sub-dials for measuring seconds and hours. Powered by Omega Calibre 9900 Automatic movement (derived from the 9300), offering automatic winding capability based on rotational force, containing 54 jewels for precision bearings, operating frequency of 28800 vph, and approximately 60-hour power reserve. Features a scratch-resistant sapphire crystal glass cover, a pull/push crown deployment mechanism, and a transparent case back allowing visibility of the movement. Round case shape measures 44.25 mm in diameter with a bracelet width of 21 mm. Secured with a deployment buckle featuring push-button activation for opening. Water resistant up to 50 meters or approximately 165 feet depth suitable for shallow water activities but not professional diving. Includes functions: date, hour, minute, second timekeeping; tachymeter scale on bezel; chronograph timer with three sub-dials.