PATEK PHILIPPE. A VERY RARE 18K WHITE GOLD PERPETUAL CALENDAR SPLIT SECONDS CHRONOGRAPH WRISTWATCH WITH UNUSUAL BLUE SAPPHIRE-SET DIAL, MOON PHASES, 24 HOUR AND LEAP YEAR INDICATION, ORIGINAL CERTIFICATE AND ADDITIONAL CASE BACK

PATEK PHILIPPE. A VERY RARE 18K WHITE GOLD PERPETUAL CALENDAR SPLIT SECONDS CHRONOGRAPH WRISTWATCH WITH UNUSUAL BLUE SAPPHIRE-SET DIAL, MOON PHASES, 24 HOUR AND LEAP YEAR INDICATION, ORIGINAL CERTIFICATE AND ADDITIONAL CASE BACK
SIGNED PATEK PHILIPPE, GENEVE, REF. 5004, MOVEMENT NO. 3'275'110, CASE NO. 4'438'223, CIRCA 2007
Cal. 27-70 Q mechanical lever movement stamped with the Geneva seal, 28 jewels, Gyromax balance, free sprung regulator, silvered dial, applied blue sapphire-set numerals, white gold hands, two windows for day and month, three subsidiary dials for constant seconds and 24 hours display, 30 minutes register and leap year indicator, date and aperture for moon phases, circular case, stepped bezel and lugs, glazed screw back, split seconds chronograph mechanism operated through two round chronograph buttons in the band and through the crown, 18k white gold Patek Philippe deployant clasp, case, dial and movement signed
37 mm. diam.