Patek Philippe Perpetual Calendar Chronograph 2499

Patek Phillipe A YELLOW GOLD PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH REGISTERS AND MOON-PHASES REF 2499 MVT 869467 CASE 2700425 MADE IN 1977 YELLOW GOLD, MANUAL WINDING diameter 38 mm , • cal. 13''' manual winding movement, stamped with the Seal of Geneva, 23 jewels • silvered dial, applied faceted baton indexes, outer minute track with 1/5 seconds divisions, subsidiary dials for constant seconds, 30-minute register and date combined with an aperture for moon-phases, twin-apertures for day and month, dauphine hands • 18k yellow gold case, concave bezel, fluted lugs, snap-on back • case, dial and movement signed • with an 18k yellow gold Patek Philippe buckle