Seiko Cal. 6M15A, 6M91A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko quartz watch movements Cal. 6M15A and Cal. 6M91A. Includes detailed specifications, disassembly and reassembly procedures, mode indicator installation, switch spring screw positioning, value checking for coil block resistance and current consumption, measuring time accuracy procedures, and illustrated parts diagrams with numbered components. The 6M15A features 4-piece step motor, world time function and stopwatch, while the 6M91A features 3-piece step motor with dual time function and automatic calendar.
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Document Details
- Format
- Pages
- 9
- Size
- 277.3 KB
- Category
- Horlogerie