Longines L990.1 L990.2 Assembly and Lubrication Technical Manual
Comprehensive technical manual for assembly and lubrication of Longines L990.1 and L990.2 watch movements. This manual provides detailed step-by-step reassembly procedures covering pivots, correctors, escapement assemblies, gear trains, balance wheel and hairspring units, and shock absorbers, illustrated with precision technical photographs and numbered component references. Includes lubrication point mapping across the movement with detailed assembly sequences (sections 8.4.1 through 8.4.11) essential for watchmakers and technicians performing complete movement overhaul and restoration.
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Document Details
- Format
- Pages
- 4
- Size
- 3.7 MB
- Category
- Watchmaking