Side by side

Casio GBM-2100AvsCitizen Zenshin 60 Mechanical

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.

Citizen Zenshin 60 Mechanical

The Citizen Zenshin 60 Mechanical is widely praised for its lightweight, scratch-resistant Super Titanium case and its unique frosted dial texture, with many owners highlighting its excellent value. The Caliber 8322 movement offers a 60-hour power reserve and a small-seconds complication. Some owners find the dial lettering subpar and the integrated bracelet limits strap options, with one reviewer noting a desire for tighter movement regulation, though accuracy figures range from -20/+40 seconds per day. On balance, owners and reviewers rate the Citizen Zenshin 60 Mechanical highly for its titanium construction and dial finishing at its price point.

At a glance

15 of 29 specs differ
Diameter
GBM-2100A44.4mm
Zenshin 60 Mechanical40.5mm
Power Reserve
GBM-2100A
Zenshin 60 Mechanical60h
Water Resistance
GBM-2100A200m
Zenshin 60 Mechanical100m
MSRP
GBM-2100A$280
Zenshin 60 Mechanical$581

Full specifications

Case

8 specs
Category
Sport
Dress
Diameter
44.4mm
40.5mm
Thickness
11.9mm
0mm
Lug-to-Lug
49.3mm
0mm
Lug Width
0mm
Material
Bio-based Resin / Stainless steel
Super Titanium
Finish
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
Dial Color
Silver
Beige

Movement

3 specs
Caliber
Miyota 8322
Type
Quartz
Automatic
Power Reserve
60h

Pricing

1 specs
MSRP
$280
$581
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