
Seiko V802A Watch Movement Parts Catalogue and Technical Guide
Seiko V802A quartz watch movement parts catalogue and technical service guide. This comprehensive workshop manual supplies everything needed for professional repair and maintenance of this compact movement. Detailed parts list with numbered diagram references enables precise identification of every component. Movement specifications include 18.4mm outside diameter and 2.55mm height, powered by a step motor driving system. Disassembly and reassembly procedures walk through each stage with clarity, complemented by explicit winding stem removal instructions. The guide covers train wheel bridge settings for accurate reassembly, coil block resistance values critical for electrical troubleshooting, and current consumption data for power management diagnostics. Electrical circuit block structure is fully documented, with remarks on correct component assembly to prevent malfunction. Battery specifications (1.55V) ensure proper power source selection. An essential reference for watchmakers and technicians servicing Seiko quartz movements.
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Document Details
- Format
- Pages
- 3
- Size
- 150.3 KB
- Category
- Watchmaking