Seiko W850A/W851A/W853A/W854A Parts Catalogue & Technical Guide
Complete parts catalogue and technical service guide for Seiko digital watch calibres W850A, W851A, W853A and W854A. Includes detailed specifications, exploded parts diagrams with numbered components, disassembly and reassembly procedures, battery installation methods, circuit reset procedures, value checking protocols, and button operation guide. Features instructions for handling piezoelectric element, buzzer lead terminal, conductive plates, battery clamp, switch springs, rubber switch, circuit block, liquid crystal panel and electroluminescent components. Covers lubrication specifications and measuring procedures.
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Document Details
- Format
- Pages
- 12
- Size
- 1.2 MB
- Category
- Horlogerie