Lot 240

Audemars Piguet Swiss, "Quantieme Perpetuel No. 001", Movement No. 275620, Case No. C15921, Cal. 5020, 49 mm, 86 g, circa 1983
A gentleman's very fine skeletonized, astronomical diamond-studded white gold pocket watch with perpetual calendar and moon phase - this model was only produced in a very small series; this is the No. 001 - with original white gold watch chain (19 g) with royal emblem of the Sultanate of Oman
Case: 18k white gold, polished, bezel set with brilliant-cut diamonds, glazed on both sides. Dial: skeletonized, outer silvered chapter ring with radial Roman hours, blue enamelled subsidiary rings for the indications of the months under consideration of the leap year at "12", date at "3", auxiliary seconds in combination with phases of the moon and its age at "6", weekdays at "9", blued cathedral hands. Movm.: bridge movement, rhodium plated, skeletonized, hand-engraved, large skeletonized barrel, Glucydur screw balance, shock protection for balance and escape wheel, finely ground and bevelled parts for calendar.