Side by side
Casio GR-B300vsSeiko Coutura
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
GR-B30054.7mm
Coutura42mm
Power Reserve
GR-B300—
Coutura—
Water Resistance
GR-B300200m
Coutura100m
MSRP
GR-B300$330
Coutura$550
Full specifications
Case
8 specsCategory
Sport
Chronograph
Diameter
54.7mm
42mm
Thickness
15.7mm
11.8mm
Lug-to-Lug
59mm
50.2mm
Lug Width
—
20mm
Material
Bio-based Carbon / Bio-based resin / Sta
Stainless Steel
Finish
—
—
Water Resistance
200m
100m
Crystal & Dial
4 specsCrystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Black
—
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
—
8T63
Power Reserve
—
0h
Pricing
1 specsMSRP
$330
$550
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