Longines L950/L952/L953/L954 Technical Communication - Equipment and Operations
Part 2 of the technical documentation for Longines L950, L952, L953, and L954 calibers. This technical communication provides equipment specifications and operational procedures for professional service of these movements. Covers specialized tooling for the L950 family including dial carrier with adjustable support screw, isolated screwdriver, ESAMETRE 2 control device, and chronometer comparators equipped with inductive, acoustic, and electrical pickup systems. Includes operational procedures for battery replacement, regulator adjustment on the 1.55 volt stabilized circuit, instantaneous rate control verification within ±0.20 to ±0.30 s/d tolerances, and trimmer adjustment. An essential technical reference for technicians maintaining these precision Longines movements.
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Document Details
- Format
- Pages
- 3
- Size
- 4.5 MB
- Category
- Watchmaking