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

Seiko Coutura owners widely praise its solar and perpetual calendar features for reliability and low maintenance, with many appreciating its captivating appearance and comfortable, albeit sometimes gaudy, design. The metal treatments are noted for wear resistance, with one owner reporting minimal scratching after six years. However, opinions on styling are divided; some find the dial busy and accents potentially "fake gold," while others enjoy its unique and fun aesthetic. The proprietary bracelet is a point of dissatisfaction for some, and one owner felt the watch sat too high and looked like a replica. Another owner reported a poor solar power reserve requiring constant light exposure, though a kinetic perpetual model was noted for a 4-year power reserve. Overall, owners rate the Seiko Coutura highly for its solar and perpetual calendar complications, viewing it as a reliable and attractive "guilty pleasure."

At a glance

15 of 29 specs differ
Diameter
GBM-2100A44.4mm
Coutura45.6mm
Power Reserve
GBM-2100A
Coutura
Water Resistance
GBM-2100A200m
Coutura100m
MSRP
GBM-2100A$280
Coutura$550

Full specifications

Case

8 specs
Category
Sport
Chronograph
Diameter
44.4mm
45.6mm
Thickness
11.9mm
11.7mm
Lug-to-Lug
49.3mm
56mm
Lug Width
15mm
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

Movement

2 specs
Caliber
7T12
Power Reserve
0h

Pricing

1 specs
MSRP
$280
$550
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