The Casio B640WDG-7DF is a versatile unisex watch that combines sleek design with advanced digital functionality. Its silver stainless steel strap and dial give it a modern, stylish appearance, while features like the stopwatch, countdown timer, and multi-function alarms make it practical for everyday use.
Features
- 1/100-second stopwatch for precise tracking of sports, workouts, and everyday timing needs
- Countdown timer with adjustable start times and auto-repeat for versatile time management
- Multi-function alarm with flash alert and hourly time signal to ensure you stay on schedule
- LED backlight with amber afterglow for easy visibility in dim lighting
- Full auto-calendar up to the year 2039 for hassle-free date tracking
- 12/24-hour format for personalized time display according to preference
- 50-meter water resistance suitable for splashes, rain, and routine water exposure
Specifications
- Case Size: 38.9 × 35 × 9.9 mm
- Weight: 49 g
- Case and Bezel Material: Resin
- Band Material: Stainless Steel
- Adjustable Clasp: Yes
- Glass Material: Resin Glass
- Water Resistance: 50 meters
- Battery Life: Approx. 3 years (CR2016)
- Accuracy: ±30 seconds per month
- Timekeeping: Hour, minute, second, pm, month, date, day
- Light: LED backlight, amber color with afterglow
- Stopwatch: 1/100-second, elapsed time, split time, 1st-2nd place times
- Countdown Timer: 1 second to 24 hours, auto-repeat
- Alarm: Multi-function with flash alert and hourly time signal
- Time Format: 12/24-hour






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