Seiko 4006A Bell Matic Service Manual - 27J Movement
Complete service manual for Seiko caliber 4006A (27J and 17J versions) Bell Matic automatic watch movement. Includes detailed parts list with component identification, exploded mechanical diagrams, step-by-step disassembly and assembly instructions, lubrication specifications, and adjustment procedures for all major components including dial, date mechanism, alarm setting wheel, transmission wheel, ball bearing, mainspring, and calendar system. Features multiple cross-sectional views and technical illustrations.
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Document Details
- Format
- Pages
- 13
- Size
- 1.5 MB
- Category
- Horlogerie