Patek Philippe. A fine and very rare roman numeral dial platinum automatic center seconds wrist watch with retrograde perpetual calendar and moon phases
Ref: 5050P, Case No. 2989769, Movement No. 1957953
31-jewel Cal. 315/316 self winding movement with Seal of Geneva, adjusted to temperature, position and isochronism, shock resistant suspension to Gyromax balance, silvered dial with raised roman numerals enclosing retrograde date sector, apertures for day and month at 9 and 3 o'clock, moon phase at 6 o'clock, polished hands with sweep seconds, polished case with sapphire back, case, dial and movement signed, with additional signed and numbered platinum back, setting pin, fitted maker's leather strap with platinum deployant clasp all in sealed factory sleeve; accompanied by Certificate of Origin, winding box, original packaging. 35 mm diam.