
Seiko Caliber 5245A - 25 Jewels Technical Data and Parts List
Seiko Caliber 5245A Technical Data and Parts List — 25-Jewel Automatic Movement. Complete service documentation for this robust mid-sized automatic caliber, featuring a 25.60 mm casing diameter and 7.95 mm maximum height, operating at 28,800 vibrations per hour. The manual includes comprehensive parts inventory with exploded diagrams and component references essential for technicians performing maintenance, repair, and assembly work. Detailed technical notes address setting lever configurations, date finger variants, dial holding ring specifications, and critical assembly tolerances. Whether rebuilding this movement from components or conducting routine overhaul work, this parts list and technical reference provides the precision data needed for proper restoration.
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Document Details
- Format
- Pages
- 2
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- 122.0 KB
- Category
- Watchmaking