ETA Caliber 1120 and 1121 Watch Movements - Technical Data and Parts List
Technical data documentation for the ETA caliber 1120 and 1121 automatic watch movements manufactured by ETA S.A. in Grenchen, Switzerland. This document provides detailed technical specifications with precise millimeter dimensions for critical assemblies including: case, escapement, balance wheel, virole, mainspring, needle assembly, and regulator mechanisms. Features movement photographs showing both dial-side and mechanical views for each caliber. A comprehensive parts list with bilingual headings (French/English) identifies and catalogs numerous components including plates, bridges, gear wheels, jewels, screws, springs, and other horological parts with corresponding reference numbers. Essential reference material for watchmakers, repair technicians, and movement servicing professionals requiring factory-level technical documentation.
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Document Details
- Format
- Pages
- 2
- Size
- 3.2 MB
- Category
- Watchmaking