Patek Philippe Perpetual Calendar Split-Seconds Chronograph 5004P-033

AN IMPORTANT PLATINUM PERPETUAL CALENDAR SPLIT SECONDS CHRONOGRAPH WRISTWATCH WITH LEAP YEAR INDICATION, MOON-PHASES AND BLACK DIAL REF 5004P-033 CIRCA 2010 diameter 36.5 mm , • cal. 27-70 Q manual winding nickel lever movement stamped with the seal of Geneva, 28 jewels, Gyromax balance • black dial, diamond-set square indexes, 3 subsidiary dials for constant seconds combined with 24-hour indication, 30-minute register with leap-year display and date with fan-form aperture for moon-phases, apertures for day and month in English • platinum case, split seconds chronograph pushers to the band, screw-down case back • case, dial and movement signed • with a platinum Patek Philippe folding clasp