Caliber 4380/4390 Chronograph Movement - Parts Diagram
Exploded view diagram showing the complete assembly of caliber 4380 and 4390 chronograph movements. Includes detailed breakdown of the balance wheel assembly (178), escape wheel assembly (307), chronograph coupling parts (922, 713, 078), gear train components (213, 087, 088, 075), and main plate assembly with all mechanical components. Shows dial-up and dial-down configurations.
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Document Details
- Format
- Pages
- 1
- Size
- 13.5 KB
- Category
- Horlogerie