Side by side

Casio GM-B2100SDvsNite Watches Alpha

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
Alpha
Nite WatchesAlpha
MSRP $760
See the full Alpha
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At a glance

13 of 29 specs differ
Diameter
GM-B2100SD44.4mm
Alpha42mm
Power Reserve
GM-B2100SD—
Alpha—
Water Resistance
GM-B2100SD200m
Alpha300m
MSRP
GM-B2100SD$600
Alpha$760

Full specifications

Case

7 specs
Category
Sport
—
Diameter
44.4mm
42mm
Thickness
12.8mm
12.95mm
Lug-to-Lug
49.8mm
—
Lug Width
—
22mm
Finish
—
—
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Black
—
Lume
None
Tritium

Movement

1 specs
Caliber
—
Ronda 715

Pricing

1 specs
MSRP
$600
$760
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