Sigmund Riefler, Munich, Movement No. 254, Typ D, DRP No. 50739, Height 1510 mm, circa 1911
A fragment of a tank precision regulator - Type D - with Riefler spring impulse escapement - sold on 11/8/1911 to Edmont Jaeger, the co-founder of Jaeger-LeCoultre Case: later glass tank with glass dome (by Schott), later milled suspension. Dial: silvered, half-moon control window for electrical winding system. Movm.: rectangular brass 4-pillar movement, gilt, electrical contact device, screwed platform with adjustable knife edge suspension for pendulum on agate discs, later pendulum.
According to the Riefler company sales records, this clock was originally delivered with a copper tank and modified later. The copper tank was replaced by a glass tank made by Schott and the pendulum is not the original type J1sch no. 1064 anymore. Nevertheless, the clock had its place in the offices or workshops of the Jaeger-LeCoultre company for many decades, thus linking the history of precision timekeeping to the tradition of stylish luxury watches.
Estimate 5,500 - 7,500 €
Price Realised 17,500 €
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