18k yellow gold case with a blue rubber strap. Gold-tone diamond set bezel. Blue with âlady tapisserieâ pattern dial with yellow gold hands and index hour markers. Dial Type: Analog. Luminescent hands and markers. Date display between 4 and 5 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Audemars Piguet Calibre 2385 Automatic movement, containing 37 Jewels, composed of 304 parts, bitting at 21600 vph, and has a power reserve of approximately 40 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Octagonal case shape, case size: 37 mm, case thickness: 12.35 mm. Folding clasp. Water resistant at 50 meters / 165 feet. Functions: chronograph, date, hour, minute, second. Royal Oak Offshore Series. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Offshore Chronograph Automatic Diamond Watch 26231BA.ZZ.D027CA.01.