Side by side

Casio GM-2100vsCitizen Nighthawk

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
Nighthawk
CitizenNighthawk
MSRP $431
See the full Nighthawk
Buy from Casio ↗
Buy used on eBay ↗
Buy from Citizen ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
GM-210044.4mm
Nighthawk43mm
Power Reserve
GM-2100—
Nighthawk—
Water Resistance
GM-2100200m
Nighthawk200m
MSRP
GM-2100$220
Nighthawk$431

Full specifications

Case

7 specs
Category
Sport
Pilot
Diameter
44.4mm
43mm
Thickness
11.8mm
0mm
Lug-to-Lug
49.3mm
0mm
Lug Width
—
23.5mm
Material
Resin / Stainless steel
Stainless Steel
Finish
—
—

Crystal & Dial

2 specs
AR Coating
No
—
Dial Color
Black
Grey

Movement

3 specs
Caliber
—
Citizen B620
Type
Quartz
Solar
Power Reserve
—
0h

Pricing

1 specs
MSRP
$220
$431
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