Seiko Cal. 6M25A Parts Catalogue and Technical Guide
Complete parts catalogue and technical guide for the Seiko Cal. 6M25A quartz movement. This service manual delivers everything a technician needs for disassembly, repair, and reassembly, with detailed numbered diagrams guiding each step. Comprehensive lubrication instructions ensure proper function after work, while battery specifications and handling notes cover the SR927W power cell and its approximately 2-year service life. Detailed installation remarks address critical components including hands, mode indicator, dial, winding stem, clutch wheel, switch spring, and coil block spacer. The Cal. 6M25A features a 3-hand time display, 12-hour alarm function, countdown timer, stopwatch, month/date automatic calendar, and demonstration mode. Movement dimensions are 26.4mm diameter by 3.9mm height with 9 jewels. An essential workshop reference for quartz watch repair and maintenance.
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Document Details
- Format
- Pages
- 15
- Size
- 432.4 KB
- Category
- Watchmaking