LeCoultre Caliber 7" 426 - Parts List and Technical Diagram
Parts list and technical diagram for the LeCoultre caliber 7" 426 watch movement. This document covers a round caliber fitted with 16 jewels, standing 2.90 mm tall with a 12.40 mm engagement diameter and oscillating at 18,000 alternances per hour. The diagram provides numbered component references and detailed specifications for all mechanical parts, including the hairspring, essential for technicians performing repair, maintenance, or restoration work on this movement.
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Document Details
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- Pages
- 1
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- 815.6 KB
- Category
- Watchmaking