PATEK PHILIPPE REF. 3970 EP BLACK
DIAMOND DIAL PLATINUM
Patek Philippe, Genève, No. 876799. Ref. 3970EP. Made circa 2000.
Very fine and important, water-resistant platinum wristwatch with round button
chronograph, register, perpetual calendar, moon phases and a platinum Patek
Philippe buckle. Accompanied by the original fitted box.
Three-body, solid, polished, concave bezel, fluted lugs, transparent screw-down
case back, sapphire crystals.
Black, set with 1 baguette and 10 round diamond indexes, outer 1/5th seconds
track with 5-second Arabic markers, subsidiary dials for the seconds, the 30-minute
register, the days of the month, the 24 hours and leap year, apertures for the days of
the week, the months and moon phases. White gold baton hands.
Cal. CH 27-70/155, stamped with the Seal of Geneva quality mark, rhodium-
plated, fausses cotes decoration, 24 jewels, straight-line lever escapement, Gyromax
balance adjusted to heat, cold, isochronism and 8 positions, shock absorber,
self compensating free-sprung Breguet balance spring.