Patek Philippe Perpetual Calendar 5104

AN EXTREMELY FINE AND RARE PLATINUM AND PINK GOLD AUTOMATIC MINUTE REPEATING SEMI-SKELETONIZED PERPETUAL CALENDAR WRISTWATCH WITH RETROGRADE DATE MOON-PHASES AND LEAP YEAR INDICATION REF 5104P MVT 3670005 CASE 4384607 MADE IN 2007 platinum pink gold diameter 43 mm , • cal. R27 PS QR LU automatic lever movement, stamped with the Patek Philippe seal, 41 jewels, Gyromax balance, pink gold decorated mini-rotor, minute repeating on two gongs • skeletonized dial, four subsidiary sapphire crystal display discs for day, month, leap years and constant seconds combined with moon-phases, retrograde hand with blue outer ring indicating the date • platinum polished case, 18k pink gold inlays in band • case, dial and movement signed