LeCoultre Caliber 9" 404 and Base 9" 407 Movement Parts List
Illustrated parts list for the LeCoultre caliber 9" 404 mechanical watch movement with base caliber 9" 407. Covers both 15 and 17 jewel versions with a total height of 3.10 mm. Features numbered component diagrams and detailed specifications for the barrel, mainspring, hairspring, jewels, screws, and all other movement parts essential to assembly and repair. Includes technical specifications for engagement dimensions (L. 20.60 mm, L. 12.80 mm), barrel mainspring dimensions (L. 230 mm, H. 0.90 mm), filing diameter of hairspring (0.90 mm), and component tolerances. Comprehensive reference document for identifying and sourcing individual components during maintenance or restoration work on this precision caliber.
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Document Details
- Format
- Pages
- 1
- Size
- 1.0 MB
- Category
- Watchmaking