Seiko 7N82C, 7N83C, 7N85C, 7N89C Parts Catalogue and Technical Guide
Comprehensive parts catalogue and technical service manual for Seiko quartz watch movements Cal. 7N82C, 7N83C, 7N85C, and 7N89C. This workshop reference provides detailed specifications and exploded diagrams for each movement, enabling technicians to identify and source exact replacement components by reference number. Includes critical hand installation height discrimination data to ensure proper dial clearance and function. Complete technical guidance covers movement disassembly and reassembly procedures, circuit block architecture, train wheel bridge adjustment, battery installation protocols, and electrical parameter verification methods. An essential resource for watch repair professionals and experienced hobbyists servicing these popular Seiko quartz calibres.
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Document Details
- Format
- Pages
- 9
- Size
- 256.1 KB
- Category
- Watchmaking