Valjoux 7730 Anchor Chronograph Movement - Technical Specifications
Technical specifications and service documentation for the Valjoux 7730 anchor chronograph movement, a 31.00 mm caliber equipped with 2 pushers and designed without a pillar wheel. This workshop manual provides detailed dimensional data covering the cage, escape wheel train, balance wheel, hairspring, barrel, ratchet wheel, hands, and needles, alongside comprehensive adjustment parameters for precision regulation. Features exploded diagrams of all major movement assemblies and a complete parts list with reference numbers for repair technicians and watchmakers. Essential reference for anyone servicing or restoring this classic chronograph caliber.
Documentation must be downloaded on a computer (PC, Mac, or Linux).
Do not use a smartphone or tablet to download documentation; they generally lack sufficient memory capacity to handle large files, and few users know how to locate the download folder on these devices.
Once downloaded, you can use it right away and even print the pages you need, or use your smartphone in photo mode to translate into the language of your choice: Google Translate
Document Details
- Format
- Pages
- 3
- Size
- 1.2 MB
- Category
- Watchmaking