Side by side

Casio GM-B2100SDvsCitizen Nighthawk

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

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GM-B2100SD
CasioGM-B2100SD
MSRP $600
See the full GM-B2100SD
Nighthawk
CitizenNighthawk
MSRP $431
See the full Nighthawk
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Buy used on eBay ↗
Buy from Citizen ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
GM-B2100SD44.4mm
Nighthawk42mm
Power Reserve
GM-B2100SD—
Nighthawk—
Water Resistance
GM-B2100SD200m
Nighthawk200m
MSRP
GM-B2100SD$600
Nighthawk$431

Full specifications

Case

6 specs
Category
Sport
Pilot
Diameter
44.4mm
42mm
Thickness
12.8mm
0mm
Lug-to-Lug
49.8mm
0mm
Lug Width
—
26mm
Finish
—
—

Crystal & Dial

1 specs
AR Coating
No
—

Movement

3 specs
Caliber
—
B612
Type
Quartz
Solar
Power Reserve
—
0h

Pricing

1 specs
MSRP
$600
$431
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