
Seiko Calibre 63A Service Manual - Hands, Dial and Gear Train
Comprehensive service manual for the Seiko caliber 63A, a 17-jewel mechanical movement. This repair documentation covers the complete teardown and rebuild of this 27.0 mm diameter watch movement, which vibrates at 21,600 oscillations per hour. The manual provides step-by-step disassembly and reassembly procedures supported by numbered technical diagrams, making it essential for watchmakers performing maintenance or restoration work. Lubrication guidance specifies the correct oils for each component—Moebius A, Moebius V, SEIKO Watch Oil S-2, and S-6—ensuring proper movement function and longevity. Detailed illustrated sections cover hand and dial assembly, escapement and governor mechanism operation, and the complete gear train layout with individual component identification. Also included are the setting mechanism assembly sequence and a full parts list with numbered components and dial holding ring specifications. An indispensable troubleshooting and reference resource for professional watch repair.
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Document Details
- Format
- Pages
- 4
- Size
- 198.6 KB
- Category
- Watchmaking