Important Collectors’ Wristwatches, P...

Geneva, Hotel Des Bergues, Oct 20, 1991

LOT 41

Anonymous, Swiss or French?

CHF 2,500 - 3,000

Sold: CHF 8,050

Very rare three quarter plate movement with fusee, unusual alternate impulse pivoted detent escapement .The 'scape wheel has two sets of teeth, those of longer radius serving for locking and those of shorter, for impulse; therefore, the balance makes a complete oscillation every half second, and impulse is given every full second, allowing a dead beat seconds hand. Without dial. Ccamb. p. 213-214, O.T.L. No 33,

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