Side by side

Casio GM-B2100SDvsBoldr Venture GMT

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
Venture GMT
BoldrVenture GMT
MSRP $299
See the full Venture GMT
Buy from Casio ↗
Buy used on eBay ↗
Buy from Boldr ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
GM-B2100SD44.4mm
Venture GMT38mm
Power Reserve
GM-B2100SD—
Venture GMT—
Water Resistance
GM-B2100SD200m
Venture GMT200m
MSRP
GM-B2100SD$600
Venture GMT$299

Full specifications

Case

7 specs
Category
Sport
GMT
Diameter
44.4mm
38mm
Thickness
12.8mm
14mm
Lug-to-Lug
49.8mm
44mm
Lug Width
—
20mm
Material
Stainless Steel
Titanium
Finish
—
—

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
Yes
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
—
Ronda 515
Power Reserve
—
0h

Pricing

1 specs
MSRP
$600
$299
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