Seiko Cal.7D48A Technical Guide and Parts Catalogue
Technical guide and parts catalogue for Seiko Cal.7D48A movement. Contains detailed parts list with part numbers and exploded views, technical specifications for coil block resistances, current consumption measurements, and assembly instructions for the perpetual calendar mechanism. Includes procedures for hand installation, automatic generating system checks, and leakage testing between coils.
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Document Details
- Format
- Pages
- 15
- Size
- 1.6 MB
- Category
- Horlogerie