PATEK PHILIPPE. AN EXCEPTIONAL, HIGHLY IMPORTANT AND EXTREMELY RARE 18K GOLD DOUBLE DIALLED CLOCK WATCH WITH 21 COMPLICATIONS INCLUDING WESTMINSTER CHIMES, MINUTE REPEATING, POWER RESERVE INDICATOR FOR MOVEMENT AND CHIME, PERPETUAL CALENDAR, LEAP YEAR CYCLE, SUNRISE AND SUNSET, RUNNING EQUATION OF TIME, SKY CHART, TIME OF MERIDIAN PASSAGE BY SIRIUS, LUNAR ORBIT, TIME OF MERIDIAN PASSAGE BY THE MOON, TWENTY FOUR HOURS AND RAPID CALENDAR CORRECTION
SIGNED PATEK PHILIPPE, GENEVE, STAR CALIBRE 2000, REF.990/1, MOVEMENT NO. 3,200,005, CASE NO. 4,125,166, CIRCA 2008
Nickel lever movement, 54 jewels, screw balance, Breguet balance spring, minute repeating on five gongs, Westminster Chimes in passing on five gongs. Time Side: white enamel dial, Breguet numerals, power reserve indicator for the movement, power reserve indicator for the chime, sector for time of Sunrise and Sunset combined with 24-hour day/night display, three subsidiary dials indicating leap year combined with date, day combined with month, constant seconds combined with seasons, blued steel hands, central gold star tipped hand for running equation of time. Celestial Side: Sapphire moon discs to display sky chart, Visible horizon, Sirius index, Lunar orbit, Moon phases, Moon index, Meridian, bezel set with four screws, Precision adjustment of the movement, large circular case weighing approximately 530 grams, Roman numerals around the aperture in the front, calendar corrector between 12 and 1 o'clock, day corrector at 4 o'clock, Rapid date corrector lever at 2 o'clock, lever in the band for silent/strike, push piece in the band at 6 o'clock to activate minute repeater, large rotating bow for Selective opening of the covers, case back finely decorated to partially reveal the celestial side, case, dial and movement signed
73.2 mm diam.; Height 32.3 mm.