Seiko Cal. 4205B, 4206B, 4207B Parts Catalogue & Technical Guide
Parts catalogue and technical guide for Seiko automatic watch movements Cal. 4205B, 4206B, and 4207B. Includes detailed movement specifications (17.5mm diameter, 5.6mm height, 21,600 vibrations per hour), numbered parts diagrams with complete part listings, screw specifications, jewel locations, tubes list, and technical assembly notes. Covers dial guards, date mechanisms, balance assemblies, and winding systems.
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Document Details
- Format
- Pages
- 8
- Size
- 221.2 KB
- Category
- Horlogerie