Side by side

Casio GM-2100vsMakydo Sapphire Thunder Blue 42

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
Sapphire Thunder Blue 42
MakydoSapphire Thunder Blue 42
MSRP $237
See the full Sapphire Thunder Blue 42
Buy from Casio ↗
Buy used on eBay ↗
Buy from Makydo ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
GM-210044.4mm
Sapphire Thunder Blue 4242mm
Power Reserve
GM-2100—
Sapphire Thunder Blue 42—
Water Resistance
GM-2100200m
Sapphire Thunder Blue 4250m
MSRP
GM-2100$220
Sapphire Thunder Blue 42$237

Full specifications

Case

8 specs
Category
Sport
—
Diameter
44.4mm
42mm
Thickness
11.8mm
11mm
Lug-to-Lug
49.3mm
0mm
Lug Width
—
0mm
Material
Resin / Stainless steel
Stainless Steel
Finish
—
—
Water Resistance
200m
50m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Black
—

Movement

2 specs
Caliber
—
Miyota OS20
Power Reserve
—
0h

Pricing

1 specs
MSRP
$220
$237
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