Importantes Montres de Collection

Geneva, May 15, 2011

LOT 423

Audemars Piguet Yellow Gold Jump Hour Audemars Piguet & Co., ?Jump Hour?, movement No. 37906, case No. 37906. Made in 1927. Very fine and rare, rectangular, 18K yellow gold wristwatch with jump hours, with an 18k yellow gold buckle.

C. Two-body, solid, polished, straight lugs, sapphire set winding crown, snap on case back. D. Matte silver with applied yellow gold Arabic numerals and dart indexes, subsidiary seconds dial at 6, aperture for the jump hour at 12, outer minute track. Yellow gold cathedral minute hand. M. Cal. 10???, rhodium plated, fausses cotes decoration, 17 jewels, straight-line lever escapement, cut bimetallic balance adjusted to temperatures and 2 positions, selfcompensating flat balance spring, index regulator. Dial, case and movement signed. Dim. 36 mm x 25 mm. Thickness 11 mm.