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ETA Mechanical movements Caliber Product Line Winding Diameter Height Jewels Frequency Running time VPH Hz; 2671 [1] Mecaline automatic 17.2 4.8 25 28800 4 38 2678 [2] Mecaline automatic 17.2 5.35 25 28800 4 38 2000-1 [3] Mecaline Specialities automatic 19.4 3.6 20 28800 4 40 2681 [4] Mecaline automatic 19.4 4.8 25 28800 4 38 2094 [5]
ETA SA Manufacture Horlogère Suisse (ETA SA Swiss Watch Manufacturer) designs and manufactures quartz watches and both hand-wound and automatic-winding mechanical ébauches and movements. Commonly referred to as ETA , the company is headquartered in Grenchen , Switzerland , and is a wholly owned subsidiary of The Swatch Group .
ETA/Valjoux 7750 (photo 2009) Chart of historic Valjoux movements. Valjoux (for Vallée de Joux, "Joux Valley") is a Swiss manufacturer of mechanical watch movements. It is known primarily for chronograph ébauche movements that are used in a number of mid- to high-range mechanical watches. The company is a part of ETA, and is a member of the ...
Sellita (Sellita Watch Co. SA) is a Swiss manufacturer of mechanical watch movements based in La Chaux-de-Fonds in the canton of Neuchâtel.Founded in 1950, Sellita was one of ETA's major outsourced assembly partners for their movements until 2003.
Thus, based upon the movements used by Rolex, Breitling, and Omega, the movement calibers that obtain most of the COSC certificates [5] are the Rolex 3135 [6] (since 1988) (and variants 3155, 3175, 3185, 4130) and 2235, the ETA 2892A2 [7] (and variants) and Valjoux 7750, [8] each of which operates at 28,800 beats per hour.
The first split-seconds mechanism based on the ETA-Valjoux 7750 was presented in 1992 at BaselWorld. Today, this caliber is the main one used in watches with a split-seconds mechanism. In 2010, Gallet introduced the first self-winding double chronograph movement, powered by two separate mainsprings. [4]
The watch went into production in 1914 and was launched at the Swiss National Exhibition in Bern that year. [citation needed] By 1932, Eterna had set up a subsidiary company, ETA SA, to make movements for itself and other Swiss watch companies. This same year, Theodore retired and handed over the control of the company to his nephew Rudolf Schild.
Pages in category "Watch movement manufacturers" ... List of ETA Movements; Luch (watch) M. Miyota (watch movement manufacturer) P. Panerai; Petrodvorets Watch ...
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