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Zenith. A fine and rare competition chronometer
Zenith. A fine and rare competition chronometer

SIGNED ZENITH, CHRONOMETRE, MOVEMENT NO. 4732666, CIRCA 1955

Details
Zenith. A fine and rare competition chronometer
Signed Zenith, Chronometre, movement no. 4732666, circa 1955
Cal. 135-0 gilt-finished lever movement, 19 jewels, Guillaume balance with two gold poising screws, the silvered matte dial with Arabic numerals, subsidiary seconds, in circular stainless steel outer case with glazed screw back and cover, all set within a wooden protective case, movement and dial signed
Movement 31 mm. diam., case 54 x 54 mm.

Lot Essay

Zenith was founded in 1865 in Le Locle by the young Swiss watchmaker Georges-Emile Favre-Bulle (1843-1917) under the name of Georges Favre-Jacot & Cie. In the years to come, the company manufactured high quality deck watches and pocket chronometers and won a Gold Medal at the Swiss National Exhibition in Geneva in 1896. One year later, in 1897, Georges Favre registred a new trademark, the curved name "Zenith" over a landscape and starry sky.

Caliber 135, the present chronometer movement, was introduced to the market in 1948 and awarded in 1954 the Neuchâtel Observatory Prize in the wrist-chronometer category for a movement produced in series. Between 1948 and 1962, Zenith produced 11,000 examples of caliber 135, many of them with an official chronometer certificate.

In 1969, the company introduced the world's first automatic chronograph movement, the celebrated "El Primero". Oscillating at 36,000 alternations/hour, the El Primero was able to measure short time intervals to a tenth of a second, an unsurpassed world record.
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