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
- Caseback
- unknown
- no source
Photos
Freely licensed photos from Wikimedia Commons, credited to their authors. These show the G-Shock family — they may show a different reference.
Calibers
- Jewels
- unknown
- no source
- Frequency (vph)
- unknown
- no source
- Power reserve (hours)
- unknown
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- Winding
- unknown
- no source
Variants
GR-B300EC-1A
- Dial color
- unknown
- no source
- Bezel
- unknown
- no source
Frequently asked questions
What size is the Casio GR-B300EC?
The Casio GR-B300EC measures 54.7 mm in diameter (source: manufacturer).
What movement does the Casio GR-B300EC use?
The Casio GR-B300EC uses a solar movement (source: manufacturer).
Which caliber is in the Casio GR-B300EC?
The Casio GR-B300EC is listed with the Casio 5719 caliber.
What is the Casio GR-B300EC case made of?
The Casio GR-B300EC has a bio-based carbon case (source: manufacturer).
Is the Casio GR-B300EC still in production?
Yes. The Casio GR-B300EC is listed as current (source: manufacturer).