Seiko Cal. 4S15A Movement Parts Catalogue & Technical Guide
Complete parts catalogue and technical service guide for the Seiko Cal. 4S15A automatic watch movement. Includes detailed exploded diagrams of the movement with numbered parts, comprehensive parts lists organized by category (screws, jewels, tubes and pins, other parts), lubrication specifications with oil types and quantities, hand installation height discrimination table with part numbers for different configurations, and technical notes on disassembly and reassembly procedures. The movement features 25 jewels, automatic winding with auxiliary hand winding mechanism, date calendar, second setting device, micro-regulating device, and operates at 28,800 vibrations per hour (8 beats per second).
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Document Details
- Format
- Pages
- 13
- Size
- 382.6 KB
- Category
- Horlogerie