Seiko S120A S123A Stopwatch Parts Catalogue and Technical Guide
Parts catalogue and technical guide for Seiko stopwatch models S120A and S123A. Includes detailed specifications, disassembly and reassembly procedures, lubrication instructions, battery replacement guidelines, circuit block structure diagrams, value checking procedures, and functional testing information. Features display modes for time/calendar, stopwatch, and stroke/frequency measurement. Contains component lists with part numbers, assembly illustrations, and troubleshooting guidance.
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Document Details
- Format
- Pages
- 9
- Size
- 412.0 KB
- Category
- Horlogerie