Live Auction 2212Important Watches
Christie’s roundel
Lot 176

PATEK PHILIPPE. A FINE AND RARE LIMITED EDITION 18K PINK GOLD AUTOMATIC ANNUAL CALENDAR WRISTWATCH WITH SILICON ESCAPE WHEEL AND SILINVAR SPIROMAX BALANCE SPRING AND MOON PHASES, LIMITED TO 300 EXAMPLES

SIGNED PATEK PHILIPPE, ADVANCED RESEARCH, REF 5350R, MANUFACTURED IN 2007

Closed15 December 2009

Price Realised

USD 92,500

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PATEK PHILIPPE. A FINE AND RARE LIMITED EDITION 18K PINK GOLD AUTOMATIC ANNUAL CALENDAR WRISTWATCH WITH SILICON ESCAPE WHEEL AND SILINVAR SPIROMAX BALANCE SPRING AND MOON PHASES, LIMITED TO 300 EXAMPLES
SIGNED PATEK PHILIPPE, ADVANCED RESEARCH, REF 5350R, MANUFACTURED IN 2007
Cal. 324 nickel-finished lever movement with the seal of Geneva, 36 jewels, free sprung gyromax balance, Silinvar Spiromax balance spring, silicon escape wheel, silvered matte dial, applied Arabic and baton numerals, luminescent disc accents, luminescent hands, two subsidiary dials for day and month, date aperture at the 6 o'clock, center seconds, circular water-resistant-type case, raised bezel, screw down sapphire crystal display back with integrated loupe and inscribed Patek Philippe Advanced Research, case, dial and movement signed, 18k pink gold Patek Philippe deployant clasp
39mm diam.

Specialist note

Accompanied by Patek Philippe Certificate of Origin dated February 22, 2007, wooden presentation box, instructions pamphlet, setting pin, tie tag and outer packaging.

To the best of our knowledge the present watch has never before been offered in public.

Spiromax is a totally new type of balance spring made from Silinvar, a revolutionary material based on monocrystalline silicon obtained by a vacuum oxidation process that allows it to compensate for temperature variations. This patented silicon-based material is the result of research financed in partnership with the Swatch Group and Rolex. Patek Philippe produced the reference 5350 in a limited edition of 300 pieces in 2006.