Bernhard Förster Watch Caliber Technical Data and Parts List
Technical data and parts list for Bernhard Förster watch calibers manufactured in Pforzheim. This service manual covers caliber designations 70, 150, 152, 300, 200, and 400, with detailed reference tables for base calibers, gear ratios, and derived variants. Includes precise component specifications essential for watchmakers: balance wheel diameters, hairspring dimensions and frequencies, jewel placements and counts, escapement mechanism parameters, and secondary horological components. A practical repair and maintenance reference for technicians working on these German-made movements.
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Document Details
- Format
- Pages
- 1
- Size
- 575.6 KB
- Category
- Watchmaking