Seiko Cal. 5S21A Movement - Parts Catalog and Technical Guide
Complete parts catalog and technical guide for the Seiko Cal. 5S21A quartz movement. Includes specifications, detailed exploded views with numbered parts, disassembly and reassembly procedures, lubrication points, installation instructions for hands, dial, circuit block, train wheel bridge, and other major components. Contains sections on battery installation, viscous rotor unit handling, and performance value checking.
Documentation must be downloaded on a computer (PC, Mac, or Linux).
Do not use a smartphone or tablet to download documentation; they generally lack sufficient memory capacity to handle large files, and few users know how to locate the download folder on these devices.
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Document Details
- Format
- Pages
- 7
- Size
- 179.1 KB
- Category
- Horlogerie