Certina Caliber 25-021 Technical Specifications
Technical specifications document for the Certina caliber 25-021 watch movement. Details five movement variants (II, II', II'', II''', II'''') covering jewel count, escapement design, sweep second hand functionality, date complications, and rapid correction mechanisms. Includes mechanical diagrams of the complete movement architecture and base caliber 25-02, along with exploded component views showing all part numbers from 100–462 and supplementary pieces (145, 2535–2576). Covers both flat and domed dial versions. Essential reference for watchmakers, technicians, and service professionals performing repair, maintenance, or restoration work on Certina movements of this caliber series.
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Document Details
- Format
- Pages
- 2
- Size
- 927.5 KB
- Category
- Watchmaking