Retro looks, modern features
The B640W combines a classic vintage case with a countdown timer, amber LED light and 50 m water resistance — style you can actually swim in.
Design & details
The Casio B640WD-1A features a silver-tone stainless steel bracelet with a bold black digital display and amber LED backlight. Its resin glass protects the display, while the stainless steel bracelet keeps it comfortable from morning to night. At 38.9 × 35 × 9.4 mm and just 49 g, it is easy to wear all day.
Key functions
- 1/100-second stopwatch
- Countdown timer (1 sec – 24 hours)
- Multi-function alarm & hourly signal
- Amber LED backlight with afterglow
- Full auto-calendar to 2039
- 12/24-hour format
Full specifications
| Model | B640WD-1A |
|---|---|
| Collection | Casio B640W Vintage |
| Display | Digital |
| Colour | Silver And Black |
| Case size (L × W × H) | 38.9 × 35 × 9.4 mm |
| Weight | 49 g |
| Case material | Resin |
| Band | Stainless steel bracelet, adjustable clasp |
| Band fits wrist | 150–205 mm |
| Glass | Resin glass |
| Water resistance | 50 m water resistance |
| Battery | CR2016 — approx. 3 years |
| Accuracy | ±30 seconds per month |
Care tips
- Wipe with a soft dry cloth after contact with sweat or water.
- Avoid hot water, saunas and strong chemicals or perfumes on the band.
- Have the battery replaced by a qualified technician to keep the water-resistance seals intact.
Frequently asked questions
Is this a genuine Casio watch?
Yes. The Casio B640WD-1A is 100% genuine Casio, sold by IN TIME TRAIDING LLC, Al Ghurair Centre & Ibn Battuta Mall, Dubai.
Can I wear it in water?
It is rated “50 m water resistance”, which suits swimming in calm water and daily splashes (not diving or snorkelling).
What battery does it use?
It uses a CR2016 cell with approx. 3 years of typical battery life.
Will it fit my wrist?
The band fits wrists of 150–205 mm. Metal bracelets can be resized by a watch technician; leather and resin straps adjust with the buckle.
Shop online or visit us at IN TIME TRAIDING LLC, Al Ghurair Centre & Ibn Battuta Mall, Dubai to try the Casio B640WD-1A on in person.
