PATEK PHILIPPE REF. 5250 ADVANCED
RESEARCH LIMITED EDITION OF 100
PIECES WHITE GOLD
Patek Philippe, Genève, Ref. 5250G.
Made in a limited edition of 100 pieces in
2005.
Very fine, rare and innovative, center seconds,
self-winding, water-resistant, 18K white gold
wristwatch with annual calendar, power-
reserve indication, moon phases, silicon
escape wheel and an 18K white gold Patek
Philippe deployant clasp. Accompanied by a
fitted box and Certificate of Origin.
Two-body, polished, transparent
screwed-down case back with cyclops lens
over the escape wheel, rounded bezel, correctors
in the band, concave lugs, sapphire
crystals.
Brushed silver with applied oxidized
gold baton indexes and Arabic quarter-
hour numerals, luminous dots, outer
minute track, subsidiary dials for the days
of the week, the months, aperture for the
moon phases and the date at 6, power
reserve indication below 12. Luminous
oxidized gold feuille hands.
Cal. 315/266, stamped with the Seal
of Geneva quality mark, rhodium-plated,
fausses cotes decoration, 36 jewels,
straight- line lever escapement, silicon
escape wheel, the bridge with additional
milled opening, Gyromax balance adjusted
to heat, cold, isochronism and 5 positions,
shock absorber, self-compensating free-
sprung Spiromax balance spring, 21K gold
rotor with zirconium ball-bearings.