Collector's Pocket Watches, Wristwatc...
Noga Hilton, Geneva, Apr 12, 2003
LOT 260
M. Balanche, La Chaux-de-Fonds, design finished on September 24, 1936, executed on May, 20, 1937.Fine and rare model of Constant Force Escapement jumping dead seconds, along with a signed and dated technical drawing of the escapement.
CHF 4,000 - 6,000
EUR 2,800 - 4,100 / USD 3,000 - 4,400
Sold: CHF 62,100
C.Wooden glazed box with hinged lid. M. Straight line lever escapement, mono-metallic balance, flat balance spring, fourth wheel equipped with concentrically set escape-like wheel which was controlled by verge-like lever escaping the teeth via control cam set on the escape wheel arbor. The whole set on a nickel plate, driving mechanism and balance spring below.Signed on the nickel plate, on the wooden base and on the drawing.Dim. Model: 25 x 15 cm., drawing 36 x 33 cm.
