Current Production
B640WMR
CASIO B640WMR-5A
Casio does not publish a price for this reference on its own site.
Case size38.9 × 35 × 9.4 mm
Case materialResin
CrystalResin Glass
Water resistance50 m
Bracelet or strapStainless Steel Mesh Band
Adjustable Clasp
Specifications as published by Casio →
Last verified Aug 18, 2026