AUDEMARS PIGUET REF. D 80523 ROYAL
OAK AUTOMATIC PERPETUAL CALENDAR
YELLOW GOLD
Audemars Piguet, Genève, Perpetual Calendar
Royal Oak Automatic, Ref. D 80523. Made in the
1990s.
Very fine, self-winding, water resistant,
astronomic, 18K yellow gold wristwatch with
perpetual calendar, phases and age of the
moon and an 18K yellow gold link bracelet with
concealed deployant clasp.
Three-body, polished and brushed, octagonal
bezel with 8 hexagonal gold screws and 8
gold nuts on the transparent case back, hexagonal
crown, correctors on the band to change
the date, sapphire crystals.
Champagne with applied yellow gold baton
and round indexes, subsidiary dials for the
date, the days of the week, the months, sector
for the age of the moon, aperture for the moon
phases. Yellow gold baton hands.
Cal 2120/4, rhodium plated, 38 jewels,
straight-line lever escapement, monometallic
balance adjusted to heat, cold, isochronism
and 5 positions, shock absorber, self-compensating
flat balance spring, engraved rotor with
21K gold segment.