Patek Philippe 2497

AN IMPORTANT AND EXTREMELY RARE LARGE YELLOW GOLD CENTRE SECONDS PERPETUAL CALENDAR WRISTWATCH WITH MOON-PHASES REF 2497 MVT 888126 CASE 696489 MADE IN 1955 yellow gold diameter 38 mm , • cal. 27 SC Q manual winding nickel-finished lever movement, 18 jewels, adjusted to heat, cold, isochronism and 5 positions • matte silvered dial, applied faceted baton numerals, sweep seconds, fan-form sector for moon-phases combined with date, apertures for month and day, dauphine hands • 18k yellow gold case with scooped bezel and stepped lugs, snap-on back • case, dial and movement signed