Side by side

Spinnaker Dumas GMTvsTissot Seastar 1000 GMT

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Seastar 1000 GMT
TissotSeastar 1000 GMT
MSRP $575

At a glance

12 of 29 specs differ
Diameter
Dumas GMT44mm
Seastar 1000 GMT40mm
Power Reserve
Dumas GMT40h
Seastar 1000 GMT40h
Water Resistance
Dumas GMT300m
Seastar 1000 GMT300m
MSRP
Dumas GMT$399
Seastar 1000 GMT$575

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
44mm
40mm
Thickness
15mm
11.77mm
Lug-to-Lug
48mm
40mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
Dial Color
Blue
Black
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
Seiko NH34A
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$399
$575

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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.

Tissot Seastar 1000 GMT

Owners widely praise the Tissot Seastar 1000 GMT for its sapphire crystal, 300m water resistance, and GMT complication, with one owner expressing deep satisfaction. A point of contention for some is that Swiss quartz movements may exhibit second-hand misalignment with markers, unlike certain Japanese quartz movements. On balance, owners rate the Tissot Seastar 1000 GMT highly for its robust features and value.

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