Side by side

Spinnaker Dumas GMTvsSeiko Coutura

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Coutura
SeikoCoutura
MSRP $525

At a glance

11 of 29 specs differ
Diameter
Dumas GMT44mm
Coutura44mm
Power Reserve
Dumas GMT40h
Coutura40h
Water Resistance
Dumas GMT300m
Coutura100m
MSRP
Dumas GMT$399
Coutura$525

Full specifications

Case

6 specs
Category
GMT
Dress
Thickness
15mm
11.8mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
12mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Seiko NH34A
V198
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$399
$525

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What people say

Owners + reviewers, side by side

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

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

Seiko Coutura

Owners widely report the Seiko Coutura's wear-resistant metal treatments maintain their appearance over years of ownership. The watch is praised for its solar power and perpetual calendar features, with some owners finding its weight and appearance captivating. However, opinions on its styling are divided, with some finding it gaudy or too busy, while others consider it beautiful and a fun departure from minimalist designs. Some owners express dissatisfaction with the proprietary bracelet. One owner notes the solar power reserve requires constant light exposure. Overall, owners rate the Seiko Coutura well for its durable finish and useful solar and perpetual calendar complications, despite polarizing styling.

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