Seiko 2406A Calibre 23J Parts List & Technical Data
Seiko 2406A calibre 23-jewel movement parts list and technical reference — the essential document for watchmakers, repair technicians, and movement specialists. This comprehensive guide provides detailed component diagrams with clear part numbering, a complete parts breakdown organized functionally by mechanism (barrel assembly, wheel train, pinions, jewel settings, screws, springs), movement specifications (19.00mm casing diameter, 4.58mm maximum height), setting mechanism instructions, calendar correction procedures, winding stem options, and technical remarks for individual components. Includes material specifications and functional notes throughout. 2 pages of technical drawings and dimensional data suitable for disassembly, repair, replacement work, and movement analysis.
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.
Once downloaded, you can use it right away and even print the pages you need, or use your smartphone in photo mode to translate into the language of your choice: Google Translate
Document Details
- Format
- Pages
- 5
- Size
- 391.2 KB
- Category
- Watchmaking