Certina 311 Upper Cap Jewel with End-Piece for Balance
Technical parts specification sheet for the Certina caliber 311 upper cap jewel with end-piece for balance. This documentation details the jeweled cap assembly and its terminal jewel—critical components for regulating balance wheel performance across multiple Certina movement families including the 240, 248, 258, 269, 300, 320, 340, 350, and 400 series, along with their compatible variants. Essential reference for watchmakers, service technicians, and parts specialists needing exact specifications for this balance assembly component in Certina automatic and manual-wind movements.
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Document Details
- Format
- Pages
- 1
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- 424.1 KB
- Category
- Watchmaking