18k yellow gold case with a 18k yellow gold rolex oyster bracelet. Fixed - 18k yellow gold (tachymeter engraved) bezel. Black dial with yellow gold-tone luminous hands and luminous stick hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and dial markers. Chronograph - three sub-dials displaying: 12 hours at the 9 o'clock position, 30 minutes at the 3 o'clock position, and 60 seconds at the 6 o'clock position. Automatic movement. Scratch resistant sapphire crystal. Solid case back. Case diameter: 40 mm. Round case shape. Deployment clasp. Water resistant at 100 meters/ 330 feet.