18kt white gold case. 18kt white gold fixed bezel. Openwork dial with blue hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Month, day of the week and date sub-dials. Chronograph - sub-dials displaying: two - 30 second and 8 minute. Caliber 9436 MC hand wind movement with about 8 days / 192 hours of power reserve. Scratch resistant sapphire crystal. Skeleton case back. Case size: 59.2 mm. Case thickness: 20 mm. Round case shape. Water resistant at 30 meters / 100 feet. Functions: chronograph, month, day, date, hour, minute, second. Additional Info: tourbillon. Luxury watch style. Watch label: Swiss Made. Cartier Grand Complication Chronograph Perpetual Calendar 18 kt White Gold Pocket Watch W1556213.