Zenith Calibre 135 - Most Amazing Movement in Zenith's History

Dec 01, 2009
Calibre 135, one of Zeniths most amazing movements, reflects the brands quest for creating highly accurate and reliable movements. Zenith has cultivated this tradition since the day it was founded in 1865. Its history has been highlighted by remarkably accurate pocket-watches, followed by wristwatches also characterized by outstanding accuracy.

The first Calibre 135 joined the world of watchmaking in 1948. The mechanism boasted a number of innovative and sophisticated technical peculiarities and was awarded with multiple highly coveted Neuchatel Observatory chronometry prizes, with record-breaking five years in a row in the period between 1950 -1954. The list of recognitions features about 200 individual awards, with two-thirds of them being first prizes, and five for series-honors.

Ephrem Jobin, born in 1909, the worlds oldest living watchmaker, celebrating his 100th birthday in November 2009, played an important role in the development of the brand. In the period between 1939 - 1954, the watchmaker worked on the development of three complete calibres, and the legendary Calibre 135 in particular.

In 1946, Ephrem Jobin was responsible for inventing a 30mm calibre to correspond to the standards of the Neuchatel Observatory competition. The watchmaker conceived and developed the movement with the best possible chronometric performances. He was the one in charge of the entire project.

Working on Calibre 135, Ephrem Jobin provided it with a large barrel for increased power reserve, and an oversized balance for enhanced precision. The watchmaker had to rethink the movement design. He offset the minute wheel from the central axis to offer enough space for the bigger balance. The Calibre 135.0 that participated in the observatory competition incorporated a Breguet overcoil balance-spring, and a single or double arrow-shaped index or regulator to guarantee balanced friction and optimal adjustment.

In addition, Calibre 135 was also developed in commercialized versions that boasted chronometer certificates and were available with a rating certificate. The movements were fitted with an off-center disc regulator and embellished with Cotes de Geneve.

The chronometer characteristics of Calibre 135 implied its limited production volume. The mechanism was meant to animate exclusively high-end timepieces. It was produced in a number of 11 000 pieces and watches accommodating the calibre are highly coveted among passionate watch connoisseurs and collectors.

Once named by specialized press as one of the best wristwatch movement in horological history, Calibre 135 with its outstanding performances and appealing modern construction, along with the classic design and meticulous finishing, perfectly matches the pure classicism of Zenith watches.

Zenith, one of the favorite brands of Watches.InfoNIAC.com, commemorates Ephrem Jobins jubilee and honors his remarkable achievements by unveiling a special 100-piece limited-edition watch. The watchmaker has been presented with the N100 model. The timepiece accommodates a self-winding COSC-certified Elite 689 movement born due to the technical progress reached by Zenith when Mr. Jobin worked for the company.

The case of the Zenith watch is sculptured in 18K rose gold and incorporates sapphire crystals on both sides. The refined brown sunray dial is completed with 18K rose gold faceted hands and applied hour-markers mounted by hand. The watch is presented on a hand-crafted brown crocodile leather strap lined with silky Alvazel calfskin. The strap is equipped with an 18K rose gold pin buckle.

Enjoy a rich selection of Zenith Watches:





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posted by: / Dec 01, 2009

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