The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 62

Paul Ditisheim, Sovil, No. 734352, Swiss, circa 1920.Fine 18K gold, keyless watch with special compensated balance.

CHF 2,000 - 2,400

Sold: CHF 2,300

C. Four body, "demi-bassine", polished. Hinged gold cuvette engraved with the awarded prizes at the Exhibitions of Paris in 1900 and Berne in 1914.D. White enamel with bolt Breguet numerals and sunk subsidiary seconds. Blued steel "modern" hands. M. 18''', rhodium plated, 18 jewels, straight line lever escapement, Affix balance, Swiss patent No. 91169, Breguet balance spring with rack and pinion micrometric index.Signed on the dial, case and movement.Accompanied by photocopies of the Ditisheim patents No. 91169 and 98234, concerning the invention of the Affix balance.Diam. 49 mm.


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Grading System
Grade: AA

Very good

Case: 4 - 14
Movement: * 4 - 8
Dial: 4 - 11 - 01

Notes

This watch represents the first attempts to produce a "popular" line of pocket chronometers, developped by Paul Ditisheim under the "Sovil" trademark with the Affix balance, patentsNo. 91169 from 31 August 1920 .