Certina 420, 422 Crown Wheel Parts List
Certina crown wheel parts reference table for models 420 and 422. This technical data sheet identifies compatible calibres (13-50, 13-51, and 15-20) and provides specifications for crown wheel assemblies and crown wheel ring components. Includes a calibre compatibility chart cross-referencing models 15-21, 17-21I, and 17-22I against the 15-20 base calibre. Essential for parts identification and workshop reference when servicing Certina movements with these crown wheel components.
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Document Details
- Format
- Pages
- 1
- Size
- 387.4 KB
- Category
- Watchmaking