Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, Oct 15, 2006

LOT 8

"Quantième Perpétuel Automatique Squelette" Audemars Piguet Genève, "Quantième Perpétuel Automatique Squelette", No. 37, Ref. BA 255158, case No. 274016. Sold in September 1986. Very fine, self-winding, astronomic, skeletonized, 18K yellow gold gentleman's wristwatch with perpetual calendar, phases and age of the moon. Accompanied by original winding box.

C. Three-body, solid, polished and brushed, stepped bezel, transparent case back, sapphire crystals, correctors on the band to change the date. D. Transparent, subsidiary champagne ring dials for the date, the days of the week, the months, in painted Arabic numerals, sector for the age of the moon, aperture for the moon phases. Yellow gold ?bâton? hands. M. Cal 2120/1, gilt brass, skeletonized and engraved, 36 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring, engraved 21K gold rotor. Dial, case and movement signed. Diam. 36 mm. Thickness 8 mm.