A TRIBUTE TO PRECISION AND COMPLICATE...

Hotel Nogalhilton Geneve, Nov 11, 2001

LOT 138

Precision Timekeeper with 1 Com-plicationF. Luthi, Horloger à Paris, circa 1920.Fine and extremely rare gilt bronze 8 day-going mantle regulator with constant force escapement.

CHF 20,000 - 24,000

USD 12,500 - 15,000

Sold: CHF 27,600

C. Gilt bronze molded, standing on four bun-feet and glazed four faces and top, the movement inside, supported by a massive pyramidal white stand. D. Silvered with Arabic numerals and subsidiary seconds. Polished steel Breguet hands. M. Brass circular with cylindrical pillars secured by screws, going barrel, Vérité constant force escapement, half-second beating invar-elinvar pendulum with spring suspension.Signed on the dial.Dim. 60 x 37,5 x 26,5 cm.


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Grading System
Grade:
Case: 2

Very good

Movement: 2*

Very good

Overhaul recommended, at buyer's expense

Dial: 2 - 01

Notes

This constant force escapement is based on the one invented byL. A. Vérité, exhibited in 1839, it was improved the same year by J.-Th. Winnerl. It is described and illustrated by Charles Grosin "Echappements d'Horloges et de Montres", 2ème Edition,pp. 219 - 221, fig. 218.