ISA Slender 331/133 Quartz Movement Specifications
Technical specification sheet for the ISA Slender 331/133 quartz watch movement, essential reference material for horologists and watchmakers. Documents electrical characteristics including 0.85 µA current consumption at 1.55V operating voltage, chronometric accuracy of −0.2 to +0.3 seconds per day, and operating temperature range of 0 to 50°C. Details magnetic field resistance rated at 1500 A/m (18.8 Oe), ensuring reliability in everyday use. Specifies battery requirements: SR920 SW silver oxide cell with 40 mAh capacity and 66-month autonomy. Movement features 2-hand display with integrated date function, precision stepping motor operating at 60 steps per minute, and 3-position stem for manual adjustment. Reparable metallic heart movement with 2 jewels, electronic quartz movement with rotary stepping motor, stop device and current breaker, with quick date correction capability.
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Document Details
- Format
- Pages
- 6
- Size
- 245.6 KB
- Category
- Watchmaking