The Casio Men’s B640WD-1AVDF from the Vintage Collection combines sleek black dial styling with durable silver stainless steel, offering a retro-inspired digital watch that is both functional and fashionable.
Features
- Stopwatch: 1/100-second stopwatch for precise timing, with elapsed, split, and 1st-2nd place time modes.
- Countdown Timer: Countdown range up to 24 hours with auto-repeat functionality for versatile timing.
- Multi-Function Alarms & Flash Alert: Includes hourly time signal and flashing alerts for alarms.
- LED Backlight: Illuminates the display with amber afterglow for easy reading in low-light conditions.
- Full Auto-Calendar: Automatically adjusts up to the year 2039.
- 12/24-Hour Format: Choose between standard and military time display.
- Durable Construction: Resin case with silver stainless steel band and adjustable clasp.
Specifications
- Brand: Casio
- Model: B640WD-1AVDF
- Series/Collection: Vintage Collection
- Case Size (L×W×H): 38.9 × 35 × 9.4 mm
- Weight: 49 g
- Case & Bezel Material: Resin
- Band Material: Silver Stainless Steel with Adjustable Clasp
- Glass: Resin Glass
- Dial Colour: Black
- Display Type: Digital
- Water Resistance Depth: 50 meters
- Power Supply & Battery Life: Approx. 3 years on CR2016
- Special Features: Stopwatch, Countdown Timer, Multi-Function Alarms, Flash Alert, LED Backlight, Full Auto-Calendar, 12/24-Hour Format
- Accuracy: ±30 seconds per month
- Regular Timekeeping: Hour, minute, second, pm, month, date, day






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