Side by side

Casio GST-B100vsSeiko Essentials Chronograph

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
Essentials Chronograph
SeikoEssentials Chronograph
MSRP $415
See the full Essentials Chronograph
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At a glance

14 of 29 specs differ
Diameter
GST-B10053.8mm
Essentials Chronograph40mm
Power Reserve
GST-B100—
Essentials Chronograph—
Water Resistance
GST-B100200m
Essentials Chronograph100m
MSRP
GST-B100$385
Essentials Chronograph$415

Full specifications

Case

8 specs
Category
Sport
Chronograph
Diameter
53.8mm
40mm
Thickness
14.1mm
11.5mm
Lug-to-Lug
58.1mm
45.8mm
Lug Width
—
20mm
Material
Resin / Stainless steel
Stainless Steel
Finish
—
—
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Black
—

Movement

2 specs
Caliber
—
8T63
Power Reserve
—
0h

Pricing

1 specs
MSRP
$385
$415
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