Breguet. An unique 18 carat white gold tonneau-shaped instantaneous perpetual calendar wristwatch with phases of the moon

SIGNED BREGUET, NO. 2516, CIRCA 1929

Details

Breguet. An unique 18 carat white gold tonneau-shaped instantaneous perpetual calendar wristwatch with phases of the moon
Signed Breguet, No. 2516, circa 1929
With circular nickel finished lever movement, 18 jewels, bimetallic compensation balance, Breguet balance spring, the silvered matt dial with Breguet numerals, blued steel Breguet hands, three subsidiary dials indicating day, month and date combined with constant seconds and lunar calendar, aperture for phases of the moon, the tonneau-shaped case with engraved inscription to hinged back, the instantaneous system to advance all calendar functions at the same moment operated by a lever under the dial, case, dial and movement signed
29 mm. long

Lot Essay

This watch was made for Monsieur Jean Dollfus, completed on 24 October 1929 and sold on 28 February 1934 for the amount of Francs 11,000. The engraved inscription on the back reads 'Souvenir de Jean Dollfus à son frère Louis pour ses 500 heures de vol, Décembre 1933'.
It appears that this watch is the earliest and only example of its type ever been made by Breguet.

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