Side by side

Casio GBM-2100AvsSeiko Coutura

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.

Seiko Coutura

Owners widely report the Seiko Coutura's metal treatments are very wear-resistant, with one owner noting minimal scratching after six years. Reviewers and owners appreciate its solar-powered movement, perpetual calendar, and radio sync features, with some finding its unique, futuristic styling captivating and a great value, while others describe the dial as too busy or gaudy. Some owners find the watch large and complicated to set initially, and one owner experienced issues with the solar power reserve requiring constant light exposure. On balance, owners and reviewers rate the Seiko Coutura well for its durable construction and practical solar and perpetual calendar features, despite polarizing design opinions.

At a glance

16 of 29 specs differ
Diameter
GBM-2100A44.4mm
Coutura45.3mm
Power Reserve
GBM-2100A
Coutura
Water Resistance
GBM-2100A200m
Coutura100m
MSRP
GBM-2100A$280
Coutura$625

Full specifications

Case

8 specs
Category
Sport
GMT
Diameter
44.4mm
45.3mm
Thickness
11.9mm
11.5mm
Lug-to-Lug
49.3mm
0mm
Lug Width
12mm
Material
Bio-based Resin / Stainless steel
Stainless Steel
Finish
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Mineral
Sapphire
AR Coating
No
Dial Color
Silver
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Seiko 8B92
Power Reserve
0h
Jewels
0
10

Pricing

1 specs
MSRP
$280
$625
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