Seiko Caliber 2409A 23-Jewel Parts List
Comprehensive parts list and technical specifications for the Seiko caliber 2409A automatic watch movement, featuring 23 jewels and a beat rate of 28,800 vibrations per hour. Movement dimensions: 24.00 mm casing diameter, 7.85 mm maximum height. Includes a fully illustrated parts reference with numbered components, detailed winding stem options across three different gauges (3.80 mm, 1.26 mm, 7.05 mm), precise date dial positioning guidance, day wheel and dial disk assembly variants, and holding ring specifications for correct dial installation. An essential repair manual and service reference for watchmakers working with this classic automatic caliber.
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Document Details
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- Pages
- 2
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- 112.6 KB
- Category
- Watchmaking