Side by side

Casio GBM-2100AvsCitizen ATTESA

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

GBM-2100A
CasioGBM-2100A
MSRP $280
ATTESA
CitizenATTESA
MSRP $2,250
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 ATTESA

Owners widely praise Citizen ATTESA for its comfortable, lightweight Super Titanium construction and advanced Eco-Drive technology, including solar charging and radio wave synchronization for excellent accuracy. Reviewers consistently highlight its stylish, tech-heavy design and convenient "grab and go" traveler's watch features like perpetual calendars and atomic timekeeping. Some find the city names and offset rings redundant, and the lume underwhelming. A few owners note issues with the titanium bracelet's micro-adjust clasp having limited holes or a flimsy feel, and one reviewer points out that the AR coating on the sapphire crystal still results in significant reflections. Operating the advanced functions can also present a learning curve. Overall, owners and reviewers rate Citizen ATTESA highly for its exceptional feature set and comfortable titanium build at its price point.

From video reviewers

The Super Titanium case construction is a notable strength. The 15.1mm thickness and 10 ATM water resistance are cited as potential drawbacks. Reviewers did not explicitly disagree on any specific points.

At a glance

14 of 29 specs differ
Diameter
GBM-2100A44.4mm
ATTESA44.6mm
Power Reserve
GBM-2100A
ATTESA
Water Resistance
GBM-2100A200m
ATTESA100m
MSRP
GBM-2100A$280
ATTESA$2,250

Full specifications

Case

7 specs
Diameter
44.4mm
44.6mm
Thickness
11.9mm
0mm
Lug-to-Lug
49.3mm
0mm
Lug Width
22mm
Material
Bio-based Resin / Stainless steel
Super Titanium
Finish
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
Underside
Dial Color
Silver
Blue

Movement

3 specs
Caliber
F950
Type
Quartz
Solar
Power Reserve
0h

Pricing

1 specs
MSRP
$280
$2,250
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