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Important Modern & Vintage Timepieces

Hong Kong, March 19, 2016

LOT 132

PATEK PHILIPPE REF. 5250 ADVANCED RESEARCH ANNUAL CALENDAR WHITE GOLD Patek Philippe, Genève, No. 3636074, case No. 4339176, 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 the original box, Certificate of Origin and booklets.

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.

C. 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.
D. 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.
M. 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.

HKD 650,000 - 940,000

USD 83,000 - 120,000 / CHF 83,000 - 120,000

Sold: HKD 810,000


Grading System
Grade: Logo grading

Exceptional

Case: 1

As new

Movement: 1*

As new

Overhaul recommended, at buyer's expense

Dial: 1-01

As new

HANDS Original

Notes

Dial, case and movement signed, back crystal inscribed: "Patek Philippe Advanced Research." DIAM. 39 mm. THICKNESS 12 mm.