Seiko Cal. 7T39B Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for Seiko quartz movement Cal. 7T39B. Includes detailed exploded views of movement components, lubrication specifications, battery information (SR927W, 1.55V, 2-year life), and assembly/disassembly procedures. Features step motor driving system with electronic circuit reset, stopwatch function with 1/5-second hand, dual time and alarm functions. Outside diameter 27.6mm, height 4.0mm. Contains detailed parts diagrams with numbered components, technical remarks on winding stems, day dial guards, calendar correction wheels, and circuit block structure. Specifications and remarks sections provided for service personnel.
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Document Details
- Format
- Pages
- 15
- Size
- 435.8 KB
- Category
- Horlogerie