Venus Cal. 178 Chronograph Movement Technical Specifications
Technical specifications and service documentation for the Venus caliber 178 chronograph movement, a 31.00 mm lever escapement mechanism manufactured by Fabrique d'ébauches Vénus S.A. This workshop manual covers a two-register chronograph with minute and hour recorders, dual pushers, and column wheel construction. The manual provides complete technical data including all dimensions in millimeters, exploded views of both front and back gear plates, and comprehensive parts lists with material designations cross-referenced in French, German, and English. Detailed specifications cover the escapement assembly, balance wheel, barrel, pillar arrangement, and the full chronograph train. Numbered component diagrams with assembly sequences across multiple pages guide technicians servicing or rebuilding this movement. An essential reference for watchmakers and horological technicians working with Venus chronograph calibers.
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Document Details
- Format
- Pages
- 4
- Size
- 4.0 MB
- Category
- Watchmaking