THE ART OF BREGUET

Geneva, Hotel Des Bergues, Apr 14, 1991

LOT 110

A Monsieur Jean Dollfus Watch No. 4420, completed on 12 June 1921, sold on 12 July 1922, for the sum of 6500 Francs. Gold astronomical keyless watch with retrograde perpetual calendar, phase of the moon, independent fly-forward chronograph and jumping 1/5th subsidiary seconds. Original red leather fitted case.

CHF 50,000 - 70,000

Sold: CHF 86,250

Case: 18 ct., pink, four body, polished, bassine et filets form, No. 2913. Gold cuvette, signed: " Breguet, No. 4420".
Dial: White enamel, with Roman hour and Arabic minute and second numerals, sector for the perpetual calendar and aperture for the perpetual date, aperture for phase of the moon,days of the week and months of the year, with subsidiary flying seconds dial. Blued-steel poires hands. Movement: Gilt brass, 20"', ébauche by Parent, two-train with differential winding, 18 jewels, counterpoised adjustable straight line lever escapement with cut bimetallic balance. Bluedsteel Breguet balance spring with unusual snailcam regulator. Chronograph work under the dial, with push-piece in the crown.
In perfect condition. Diam. 53 mm.


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Notes

Note: The chronograph on this watch operates in a most ingenious manner,using the power of the independent train. The sequence is as follows: Start independent centre-seconds and flying 1/5th hand/Stop both/Return both to zero by running forward under the power of the second train.