Patek Philippe, Important Ref. 3970/E Gold Chronograph, Perpetual Calendar And Moon Phases, Second Generation, Full Set, circa 1990
Case:
36 mm, 18k yellow gold, three body, solid screw down case back, Ateliers Réunis S.A. key 28 mark, fluted lugs, concave bezel, No. 2860423
Dial:
silvered, applied gold baton indexes, apertures for the days of the week, the months and the phases of the moon, thirty-minute register and four year indication, date indication, constant seconds, and "day-night" indication, yellow gold leaf hands
Movement:
No. 875430, caliber CH27-70Q, manual winding, 24 jewels, Gyromax balance, adjusted to heat, cold, isochronism and eight positions, Geneva seal
Band:
original crocodile strap and 18k gold buckle
Signed:
Patek Philippe on the dial, case, movement, strap and buckle
Lot is presented with original boxes, push pin adjuster, all papers and the Certificate of Origin 
