Breguet. A fine and rare 18K white gold openface chronoscope keyless lever watch

SIGNED BREGUET, NO. 1715, MADE IN 1927 AND SOLD TO MONSIEUR L.H. DULLES ON 4 JUNE 1927

Details

Breguet. A fine and rare 18K white gold openface chronoscope keyless lever watch
Signed Breguet, No. 1715, made in 1927 and sold to Monsieur L.H. Dulles on 4 June 1927
Cal. 17''' 17/12 nickel-finished lever movement, 19 jewels, bimetallic compensation balance, the two-tone silvered dial with central revolving disc with engraved arrow and aperture for the Roman wandering hours in the arrow head, outer Arabic minute divisions, in circular "cubiste" case with snap on back centred by a raised square blank cartouche, case stamped CB and numbered, dial and movement signed and numbered
43 mm. diam.

Lot Essay

According to the records of Montres Breguet, the present watch was sold on 4 June 1927 to Mr. Louis Harrison Dulles for the amount of 6,700 Francs.

The "wandering hour" dial first appeared in the 17th century. In the 1920s and 1930s Breguet sold wandering hour watches with a system patented by the Swiss watchmaker Robert Cart around 1925 (see lot 298).
The expression "Chronoscope" is taken from the Greek "chronos" for time and "scope" for range, sector and stands for an instrument for accurate measurements of small intervals of time.

A similar watch is illustrated in Breguet - Watchmakers since 1775 by Emmanuel Breguet, p. 316.

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