Side by side
Casio GM-B2100SDvsSeiko Coutura
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
14 of 29 specs differDiameter
GM-B2100SD44.4mm
Coutura42mm
Power Reserve
GM-B2100SD—
Coutura—
Water Resistance
GM-B2100SD200m
Coutura100m
MSRP
GM-B2100SD$600
Coutura$450
Full specifications
Case
7 specsCategory
Sport
Dress
Diameter
44.4mm
42mm
Thickness
12.8mm
10.8mm
Lug-to-Lug
49.8mm
50.4mm
Lug Width
—
20mm
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
—
Seiko 6N52
Power Reserve
—
0h
Pricing
1 specsMSRP
$600
$450
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