Side by side

Casio GST-B100vsSeiko Coutura

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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GST-B100
CasioGST-B100
MSRP $385
See the full GST-B100
Coutura
SeikoCoutura
MSRP $625
See the full Coutura
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At a glance

16 of 29 specs differ
Diameter
GST-B10053.8mm
Coutura45.3mm
Power Reserve
GST-B100—
Coutura—
Water Resistance
GST-B100200m
Coutura100m
MSRP
GST-B100$385
Coutura$625

Full specifications

Case

8 specs
Category
Sport
GMT
Diameter
53.8mm
45.3mm
Thickness
14.1mm
11.5mm
Lug-to-Lug
58.1mm
0mm
Lug Width
—
12mm
Material
Resin / Stainless steel
Stainless Steel
Finish
—
—
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Black
—
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
—
Seiko 8B92
Power Reserve
—
0h
Jewels
0
10

Pricing

1 specs
MSRP
$385
$625
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