ZENITH Calibre 135 - Interwatches.com Blog

Monday 15 March, 2010 - 11:30 AM EDT

ZENITH: Calibre 135

Zenith, its Caliber 135 and his 100-years-old creator watchmaker.

Zenith paid tribute on 2009 to its historical Calibre 135 created in 1948 and also to its creator, Ephrem Jobin, who has just turned 100 years old. Jobin was, of course, invited to the feast done on his honour, feast to which international press assisted.



The Zenith Caliber 135 gets to be a watch of special interest because of being capable of being regulated to run extremely accurately across a wide variety of positional and temperature conditions. Born from the company’s determination of creating an accurate and reliable movement, the Calibre 135 was introduced in 1948 with several innovative and sophisticated design that made it win prestigious Neuchatel Observatory chronometry prizes, 200 individual honours, two-thirds of which were first prizes, as well as five for series-honours.



Ephrem Jobin was born in 1909 and gets to be the world’s oldest living watchmaker. He played a variety of roles in the development of Zenith. During the period he spent at Zenith between 1939 and 1954, he was responsible for developing three complete calibres, including the legendary Calibre 135. His formula for success with the Calibre 135 included –also- using a large barrel to increase power reserve, as well as an oversized balance which, as part of the regulating organ, plays a crucial role in enhancing precision. The observatory competition version of this legendary movement (Calibre 135.0) was equipped with a Breguet overcoil balance-spring, as well as a single or double arrow-shaped index or regulator ensuring balanced friction and enabling optimal adjustment.














[ Source: Zenith's Press Release ]

[ Pictures: Zenith Press Release ]



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