Side by side

Casio GAS-100vsSeiko Essentials Chronograph

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

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GAS-100
CasioGAS-100
MSRP $180
See the full GAS-100
Essentials Chronograph
SeikoEssentials Chronograph
MSRP $265
See the full Essentials Chronograph
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Buy from Seiko ↗
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At a glance

15 of 29 specs differ
Diameter
GAS-10052.5mm
Essentials Chronograph41.5mm
Power Reserve
GAS-100—
Essentials Chronograph—
Water Resistance
GAS-100200m
Essentials Chronograph100m
MSRP
GAS-100$180
Essentials Chronograph$265

Full specifications

Case

8 specs
Category
Sport
Chronograph
Diameter
52.5mm
41.5mm
Thickness
16.7mm
12.1mm
Lug-to-Lug
55.1mm
46.5mm
Lug Width
—
22mm
Material
Resin / Stainless steel
—
Finish
—
—
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Mineral
Hardlex
AR Coating
No
—
Dial Color
Silver
—

Movement

3 specs
Caliber
—
8T63
Type
Solar
Quartz
Power Reserve
—
0h

Pricing

1 specs
MSRP
$180
$265
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