Zenith El Primero Cal. 400 Service Manual
Complete service manual for the Zenith El Primero chronograph movement caliber 400 (3019 PHC). Covers automatic winding mechanism with rotor control, short time intervals up to 1/10 second, 30-minute recorder, 12-hour totalizer, instantaneous calendar change, quick date setting, 31 jewels, 30.00 mm diameter, 6.50 mm height, 36000 vibrations per hour, 52° lift angle, 50-hour minimum power reserve. Includes detailed technical specifications, automatic calendar movement (motor unit, escapement, regulating unit), winding stem automatic fastening, 3-position crown, and manual reassembly instructions with mechanism diagrams (reassembly, time setting, rapid date setting). Final control checklist included.
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Document Details
- Format
- Pages
- 101
- Size
- 41.9 MB
- Category
- Horlogerie