ETA 255.461 Quartz Movement Technical Communication
Technical communication for ETA 255.461 10.5 ligne quartz movement. Contains specifications (32,768 Hz frequency, 6 jewels), complete parts list with material references and caliber numbers, assembly diagrams for handsetting mechanism and date corrector, lubrication requirements, electrical test procedures and measurements, hand fitting specifications, and component illustrations.
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Document Details
- Format
- Pages
- 12
- Size
- 1.8 MB
- Category
- Horlogerie