ISA Swiss Calibre 9231/1890 Instruction Manual
Instruction manual for the ISA Swiss calibre 9231/1890 watch movement. This technical guide covers all essential adjustment procedures: setting the time using the hour and minute hands, adjusting the date with quick correction capability, and setting the day of the week. Detailed illustrated diagrams accompany each adjustment step. Also includes complete technical specifications for the movement. Requires battery type 371 - SR 920 SW. A practical reference for anyone maintaining or troubleshooting this Swiss quartz calibre.
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Document Details
- Format
- Pages
- 1
- Size
- 1.2 MB
- Category
- Watchmaking