Audemars Piguet I
18 kt white gold case with a black alligator leather strap. Fixed bezel. Silver dial with golden-tone hands and Roman numeral hour markers. Dial Type: Analog. Small seconds sub-dial at the 6 o'clock position. Manual wind movement. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 36 mm. Round case shape. Tang clasp. Water resistant at 20 meters / 65 feet. Functions: date, hour, minute, second.