Certina 704 Escape Wheel and Pinion - Technical Data
Technical data sheet for the Certina caliber 704 escape wheel and pivoted pinion assembly. This reference page covers calibers 230, 248 (ref. 370), 251, 258, 300 (ref. 301), and 340 (ref. 340 T, 341 T) with their applicable part references and specifications. Essential technical reference for watchmakers servicing Certina movements from this caliber family.
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Document Details
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- Watchmaking