C. Three-body, solid, polished, stepped bezel, concave and curved lugs, sapphire crystal. D. Matte silver with applied yellow gold Breguet numerals, subsidiary seconds dial, concentric sector for the retrograde date, apertures for the days of the week, the months, the leap year and the moon phases. Yellow gold Breguet hands. M. Cal. R 27 PS QR, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 39 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock-absorber, selfcompensating free-sprung fl at balance spring, 22K yellow gold micro-rotor, repeating on gongs by activating slide on the band. Dial, case and movement signed. Dim. 36 x 46 mm. Thickness 12 mm. Property of a North American Collector
Grading System:
USD 300,000 - 400,000
EUR 230,000 - 300,000
Sold: USD 350,500
C. Three-body, polished and brushed, dedication on the yellow gold cuvette, yellow gold engraving of a biplane on the platinum case back, the bezels and case band yellow gold. D. Silver with applied white gold Arabic numerals, outer minute track, subsidiary guilloche seconds. White gold Breguet hands. M. 37 mm, rhodium-plated, fausses cotes decoration, 18 jewels, straight line lever escapement, cut bimetallic compensation balance with eight adjustments, blued steel fl at balance spring, index regulator. Dial signed Tiffany & co., case and movement signed Patek Philippe. Diam. 43 mm. Property of the Family of the Original Owner
Grading System:
USD 6,000 - 10,000
EUR 4,500 - 7,500
Sold: USD 11,250
C. Three-body, solid, polished, concave bezel and lugs, screwed bars, screw down sapphire case back, sapphire crystal. D. Satine silver with applied white gold radial Roman numerals, outer minute divisions, apertures for the days of the week, the months, the moon phases and the leap year, retrograde sector for the date. White gold feuille hands. M. Cal. 315/136, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 31 jewels, straightline lever escapement, free-sprung Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, selfcompensating fl at balance spring, gold rotor. Dial, case and movement signed. Diam. 36 mm. Thickness 11 mm. Approx. overall length 200 mm. Property of the Original Owner
Grading System:
USD 80,000 - 120,000
EUR 60,000 - 90,000
Sold: USD 100,900
C. Three body, solid, polished, stepped bezel, transparent case back, sapphire crystals. D. Silver with applied white gold baton indexes, outer dot minute divisions, subsidiary dials for the days of the month, of the week, the 24 hours indication (A.M. - P.M.), the months and the leap year, aperture for the moon phases. White gold dauphine hands. M. Cal. R 27 Q, stamped with the Seal of Geneva quality mark, rhodium plated, fausses cotes decoration, 39 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold isochronism and 5 positions, shock absorber, self-compensating free-sprung fl at balance spring, 22K gold micro-rotor. Repeating on gongs by activating slide on the band. Dial, case and movement signed. Diam. 36 mm. Thickness 12 mm. Property of a Private Collector
Grading System:
USD 600,000 - 800,000
EUR 455,000 - 610,000
Sold: USD 902,500