ISA Speciality Cal. 9231/1430 Watch Movement Technical Datasheet
Technical datasheet for the ISA Speciality caliber 9231/1430 quartz watch movement. Designed for a 10.5-ligne case at 23.30 mm diameter with four hands and a date window with pusher adjustment at 2H position. Features integrated stop device and current breaker mechanism. Complete technical specifications include current consumption (1.85 µA), instantaneous rate performance (-0.5 to +0.5 s/day), operating temperature range (0 to +50°C), and magnetic field resistance (1500 A/m). Battery specifications for SR 920 SW cell (1.55 V, 42 mAh capacity) with approximately 32 months of autonomy under standard operating conditions. Essential reference documentation for technicians and watchmakers.
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Document Details
- Format
- Pages
- 6
- Size
- 1.1 MB
- Category
- Watchmaking