 
     Japan
Japan| Brand | Casio | 
|---|---|
| Collection | collection | 
| Model | B640WBG-1BEF | 
| Gender/Type | Women | 
| Watch Style | Sport | 
| Movement | Quartz | 
| Impermeability | 50 M (165 Foot) | 
| Width | 35 | 
| Height | 39 | 
| Thickness | 9.9 | 
| Weight | 49 | 
| Case | Plastic | 
| Case Colour | Black | 
| Glass | Plastic | 
| Clock Face | Digital | 
| Dial Colour | Black | 
| Watch Light | LED | 
| Strap/Bracelet Material | PVD, Stainless steel, Steel | 
| Strap/Bracelet Colour | Black | 
| Functions | Calendar, Month, Stopwatch, Timer, Week day | 
| Features | Alarm, Auto Calendar |