Seiko Cal. 6M15A, 6M91A Parts Catalogue and Technical Guide
Seiko Cal. 6M15A and Cal. 6M91A quartz watch movement parts catalogue and technical repair guide. This comprehensive workshop manual covers complete disassembly and reassembly procedures, detailed specifications, mode indicator installation, switch spring screw positioning, coil block resistance and current consumption verification, time accuracy measurement techniques, and fully illustrated parts diagrams with numbered components for systematic identification and ordering. The 6M15A incorporates a 4-piece step motor with world time and stopwatch functionality, while the 6M91A features a 3-piece step motor with dual time display and automatic calendar complication. Essential reference for service technicians and watchmakers performing maintenance, repairs, or restoration work on these Seiko quartz calibers.
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Document Details
- Format
- Pages
- 9
- Size
- 277.3 KB
- Category
- Watchmaking