Important Modern & Vintage Timepieces

Geneva, Mar 17, 2013

LOT 334

LONGINES MONOPUSSOIR CHRONOGRAPH 7 GRAND PRIX ? BREGUET NUMERALS Longines, ?Chronographe-Compteur?, No. 4169649. Made circa 1925-30. Very fine, 18K yellow gold wristwatch with co-axial single button chronograph, register and three different tachometer scales.

C. Three body, polished, hinged rounded bezel, curved fixed wire lugs, hinged snap on case back, button in the crown for start/stop and return-to-zero functions of the chronograph. Hinged gold cuvette engraved with the Longines Prize Medals. D. Enamel, white with painted black Breguet numerals, subsidiary dials for the seconds and 30-minute register, inner 1/5th seconds track, red tachometer scale for measuring distance over 100 meters, outer tachometer black scale and outermost blue tachometer scale for measuring distance over 1000 meters. Blued steel Breguet hands. M. Cal. 13.33, frosted gilt, 18 jewels, straight line lever escapement, cut bi-metallic compensation balance, blued steel Breguet balance spring, index regulator. Dial, case, cuvette and movement signed. DIAM. 35 mm. THICKNESS 12 mm.