Side by side

Spinnaker Dumas GMTvsTissot Seastar 1000 Quartz Chronograph

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Seastar 1000 Quartz Chronograph
TissotSeastar 1000 Quartz Chronograph
MSRP $650

At a glance

13 of 29 specs differ
Diameter
Dumas GMT44mm
Seastar 1000 Quartz Chronograph38mm
Power Reserve
Dumas GMT40h
Seastar 1000 Quartz Chronograph40h
Water Resistance
Dumas GMT300m
Seastar 1000 Quartz Chronograph300m
MSRP
Dumas GMT$399
Seastar 1000 Quartz Chronograph$650

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
44mm
38mm
Thickness
15mm
12.95mm
Lug-to-Lug
48mm
38mm
Lug Width
22mm
18mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

4 specs
AR Coating
Inner
Yes
Dial Color
Blue
Graded turquoise
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
Seiko NH34A
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$399
$650

Follow this matchup

Get a note when Spinnaker Dumas GMT vs Tissot Seastar 1000 Quartz Chronograph gets more votes, a community discussion, or a price drop. No account needed.

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 Quartz Chronograph

The Tissot Seastar 1000 Quartz Chronograph is widely praised for its excellent value, solid build, and 300m water resistance, making it a capable summer watch. Owners appreciate its comfortable size, with one noting the 40mm variant as a "just right" fit, and others highlighting the attractive mineral bezels and throwback aesthetics of certain colorways. The watch features adequate lume on the dial and hands, with a green lume pip on the bezel, and a screw-down crown with decent grip. However, some criticisms have been raised. Reviewers and owners note a non-reflective crystal that can cause glare, mediocre lume in general, and excessive polishing on the case. The bracelet and clasp are frequently described as rattly and flimsy, with one owner finding the 19mm lug width too thin. There are also comments about a busy dial, ill-proportioned hands and indices, and a bezel that can be hard to read in certain light.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.