Specifications
Value · source- Production start year
- unknown
- no source
- Production end year
- unknown
- no source
- Retail price
- unknown
- no source
Fit & dimensions
Value · source- Lug width (mm)
- unknown
- no source
- Crystal material
- unknown
- no source
- Caseback
- unknown
- no source
Photos
Freely licensed photos from Wikimedia Commons, credited to their authors. These show the Classic family — they may show a different reference.
Calibers
- Jewels
- unknown
- no source
- Frequency (vph)
- unknown
- no source
- Power reserve (hours)
- unknown
- no source
- Winding
- unknown
- no source
Variants
B640WMR-5A
- Dial color
- unknown
- no source
- Bezel
- unknown
- no source
Frequently asked questions
What size is the Casio B640WMR?
The Casio B640WMR measures 35 mm in diameter (source: manufacturer).
What movement does the Casio B640WMR use?
The Casio B640WMR uses a quartz movement (source: manufacturer).
Which caliber is in the Casio B640WMR?
The Casio B640WMR is listed with the Casio 3294 caliber.
What is the Casio B640WMR case made of?
The Casio B640WMR has a resin case (source: manufacturer).
Is the Casio B640WMR still in production?
Yes. The Casio B640WMR is listed as current (source: manufacturer).