Certina Caliber 25-011 and 25-021 Technical Data and Parts Reference
Technical service documentation covering the Certina caliber 25-011 and 25-021 automatic watch movements. This comprehensive technical data and parts reference manual details multiple movement variants, including configurations with date window, direct central seconds hand, and small seconds subdial. Movement specifications indicate a vibration frequency of 21,600 alternations per hour. The manual provides detailed component diagrams of main plate assemblies, balance wheels, escapements, gear trains, hairsprings, and fasteners, along with complete parts numbering and supplementary parts inventories for both caliber series. Essential technical resource for watchmakers, horologists, and service technicians performing maintenance or restoration work on these movements.
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
- 2
- Size
- 1.1 MB
- Category
- Watchmaking