ISA Caliber 9231/1890 Casing Guide
Technical data and casing guide for the ISA caliber 9231/1890 watch movement, detailing procedures for component visual inspection, dial fitting, date and day hand installation, hour/minute/second hand placement, function testing, stem removal, complete casing assembly, and watch head initialization. Each operation includes detailed instructions and technical remarks. Specifies essential tools: TRM03-01 hand-fitting tool and TRT01-32B movement holder. A comprehensive reference for watchmakers and technicians performing casing and assembly operations on this caliber.
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Document Details
- Format
- Pages
- 1
- Size
- 603.2 KB
- Category
- Watchmaking