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This 1976 Ebauches SA catalog includes all electromechanical and quartz calibers manufactured by the trust in 1976, including updates made in 1979, 1981, and 1984.
This document, rare in its complete version, has been carefully digitized, and the downloadable file is a indexed PDF.
Throughout the 301 pages are the calibres:
- Electronic balance wheel-spiral
- Electronic tuning forks
- Digital quartz movements
- Analog quartz movements
This includes the following calibers:
- ESA
- ESA Fontainemelon
- ESA ETA
- ESA Bettlach
In total, more than 158 calibers are presented with diagrams and technical specifications.
Please note: this document does not include mechanical calibers from Ebauches SA.
Technical terms are provided in French, English, and German.
Excerpts (click on the image)
