ETA 255.511 - 255.561 Quartz Watch Movement Technical Manual
Technical documentation for ETA quartz watch movements 255.511 and 255.561. Includes thermocompensation specifications, detailed parts lists with ISO numbers and part references, mechanical assembly diagrams for calendar and hand-setting mechanisms, electrical test procedures with voltage and current measurements, assembly instructions with lubrication specifications, and dimensional specifications for hands. Contains technical drawings of movement plates and components with French, German and English text.
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
- 10
- Size
- 2.6 MB
- Category
- Horlogerie