Lot 47

Deutsche Uhrenfabrikation Glashütte - SA, A. Lange & Söhne, Movement No. 56239, Case No. 56239, 53 mm, 106 g, circa 1909
A gentleman's exquisite Glashuette pocket watch with chronograph and 30 min. counter, sold in 1909 for 473 marks - with original box and original certificate
Case: 14k pink gold, case design "Lucia". Dial: enamel. Movm.: 3/4 plate movement, screw compensation balance.
In the early 1870's Richard Lange (1845-1932) started designing a new chronograph which had the mechanism above the train, so that the mechanism could be attached to a "normal" watch movement. The upper seconds bearing received a new bridge and acted as the bearing for the clutch lever. A central chrono wheel with an upper steel bridge was fed through the minute wheel and all levers and springs were highly ground and bevelled. The mechanism was operated by a pusher in the crown, with the sequence being start, stop and reset. The most basic version only had one chronograph hand, chronographs with minute counters were much more complicated.
Source: Reinhard Meis "A. Lange & Söhne" Edition Callwey, page 242.

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