Side by side

Casio GM-2100vsSeiko Essentials Chronograph

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

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GM-2100
CasioGM-2100
MSRP $220
See the full GM-2100
Essentials Chronograph
SeikoEssentials Chronograph
MSRP $415
See the full Essentials Chronograph
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At a glance

14 of 29 specs differ
Diameter
GM-210044.4mm
Essentials Chronograph40mm
Power Reserve
GM-2100—
Essentials Chronograph—
Water Resistance
GM-2100200m
Essentials Chronograph100m
MSRP
GM-2100$220
Essentials Chronograph$415

Full specifications

Case

8 specs
Category
Sport
Chronograph
Diameter
44.4mm
40mm
Thickness
11.8mm
11.5mm
Lug-to-Lug
49.3mm
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
—
Seiko 8T63
Power Reserve
—
0h

Pricing

1 specs
MSRP
$220
$415
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