
ETA 255.1xx/255.4x1 Movement - Technical Communication
Technical communication for ETA 255.1xx and 255.4x1 quartz watch movements in sizes 10.5–11.5 mm (Ø 25.60 mm and 23.30 mm). Contains technical specifications including movement height (1.95 mm and 2.45 mm) and battery height data (2.10 mm and 2.60 mm). Features comprehensive interchangeability charts for seven caliber variants (255.111, 255.121, 255.122, 255.411, 255.421, 255.431, 255.441) with complete parts lists organized by CS numbers for component identification and sourcing. Movement diagrams show both mechanical layout and calendar wheel configuration. An essential technical reference for identifying compatible parts across ETA quartz movement variants.
Documentation must be downloaded on a computer (PC, Mac, or Linux).
Do not use a smartphone or tablet to download documentation; they generally lack sufficient memory capacity to handle large files, and few users know how to locate the download folder on these devices.
Once downloaded, you can use it right away and even print the pages you need, or use your smartphone in photo mode to translate into the language of your choice: Google Translate
Document Details
- Format
- Pages
- 16
- Size
- 2.6 MB
- Category
- Watchmaking