Certina 424, 425 Parts List and Technical Data
Certina 424 and 425 parts list and technical reference manual covering crown wheel assemblies and click mechanisms across multiple movement calibers. The 424 section details intermediate crown wheel specifications with compatibility data for calibers 15-20, 15-21, 17-21I, 17-221, 17-351, 17-36, and 17-36I. The 425 section addresses click component specifications and assembly. Includes a comprehensive caliber compatibility chart spanning movements from caliber 240 through 25-45, essential for identifying correct replacement parts and understanding movement variations across these Certina watch models. Suitable for watchmakers, technicians, and service professionals requiring precise component data for repairs and maintenance.
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Document Details
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- Pages
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- Watchmaking