ISA Speciality Cal. 9231/1910 Watch Movement Technical Datasheet
Technical Data sheet for the ISA Speciality caliber 9231/1910 quartz watch movement, a 10.5 ligne (23.30 mm) diameter module. Features a three-hand configuration with day/night indicator, mechanical stop device, and current breaker circuit. Key specifications include current consumption of 1.85 µA, rate accuracy within ±15 seconds per day, operating temperature range from 0 to +50°C, magnetic resistance rated at 1500 Oe, and SR920 SW battery compatibility (42 mAh, 32 months service life).
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Document Details
- Format
- Pages
- 6
- Size
- 963.8 KB
- Category
- Watchmaking