Side by side

Casio GBM-2100AvsBoldr Venture GMT

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Casio GBM-2100A

The premium stainless steel bezel and Bluetooth connectivity are highlighted strengths. The increased mass from the metal bezel is noted as a potential drawback for some wearers. Reviewers differ on its value proposition compared to other G-Shock models.

Boldr Venture GMT

Owners widely praise the Boldr Venture GMT for its lightweight titanium case and bracelet, utilitarian GMT function, and 200m water resistance, with many finding it a comfortable daily driver. The watch's faceted bracelet attachment, sapphire crystal, and attractive dials are also frequently highlighted, though some owners note the lume's visibility is hampered by blending numbers. Accuracy varies, with one owner reporting it runs 6 seconds fast over 25 days, while another finds the Miyota movement basic. Some users would prefer a 4 o'clock crown and a date window, and the clasp safety can be loose. Overall, owners rate the Boldr Venture GMT highly for its robust titanium build and practical GMT functionality at its price point.

At a glance

14 of 29 specs differ
Diameter
GBM-2100A44.4mm
Venture GMT38mm
Power Reserve
GBM-2100A
Venture GMT
Water Resistance
GBM-2100A200m
Venture GMT200m
MSRP
GBM-2100A$280
Venture GMT$299

Full specifications

Case

7 specs
Category
Sport
GMT
Diameter
44.4mm
38mm
Thickness
11.9mm
14mm
Lug-to-Lug
49.3mm
44mm
Lug Width
20mm
Material
Bio-based Resin / Stainless steel
Titanium
Finish

Crystal & Dial

4 specs
Crystal
Mineral
Sapphire
AR Coating
No
Yes
Dial Color
Silver
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Ronda 515
Power Reserve
0h

Pricing

1 specs
MSRP
$280
$299
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