Cal. 8N20A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Cal. 8N20A quartz watch movement. Includes specifications, movement dimensions, disassembly and reassembly procedures, parts list with numbered components and exploded views, lubrication information, value checking procedures, and time accuracy adjustment instructions. Features circuit block structure diagram, battery specifications, and remarks on specific components such as train wheel bridge, setting lever assembly, and winding stem selection.
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Document Details
- Format
- Pages
- 6
- Size
- 149.0 KB
- Category
- Horlogerie