Automatic chronometer movement. Yellow gold case with yellow gold bracelet and fixed bezel. Black dial accented by gold-tone hands, diamond hour markers, minute markers around the outer rim. Date display at the 3 o'clock position; day of the week display centered on the 12 o'clock position. Calibre 3155 movement with 31 jewels operating at 28800 vph featuring a 48-hour power reserve. Scratch-resistant sapphire crystal. Screw-down crown and solid case back. Round case measuring 36 mm in diameter. Water resistant up to 100 meters / 330 feet.
