Elgin National Watch Co. Watch Material Technical Data Grades 321-360
Technical specification reference table for Elgin National Watch Company timepieces, grades 321 through 360. This two-page document provides detailed watch material data and component specifications for grades covering arbors, pallets, settings, wheels, balance assemblies, hairsprings, bushings, and cams. Essential technical reference for watchmakers and technicians requiring precise component specifications and material information for these Elgin watch grades.
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Document Details
- Format
- Pages
- 16
- Size
- 1.6 MB
- Category
- Watchmaking