Side by side

Spinnaker Dumas GMTvsTissot T-Race

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
T-Race
TissotT-Race
MSRP $650

At a glance

14 of 29 specs differ
Diameter
Dumas GMT44mm
T-Race45mm
Power Reserve
Dumas GMT40h
T-Race40h
Water Resistance
Dumas GMT300m
T-Race100m
MSRP
Dumas GMT$399
T-Race$650

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
44mm
45mm
Thickness
15mm
11.76mm
Lug-to-Lug
48mm
45mm
Lug Width
22mm
13.95mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH34A
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$399
$650

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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 T-Race

The Tissot T-Race is widely praised for its bold, sporty design, with many owners finding it more impressive in person than in photos and appreciating its resemblance to luxury designs and Tissot's brake caliper aesthetic. Reviewers highlight its substantial 45mm case, comfortable wearability due to articulating lugs and quality straps, excellent dial legibility, AR-coated sapphire crystal, and 100m water resistance, all at an accessible price point. Some specific models feature a brushed "brake-disc" bezel, and one owner noted their lume lasted over nine minutes. However, the Tissot T-Race's complex, motorsports-themed design is polarizing, with some finding it too loud or chunky for dressier occasions, and its heavy bracelet limits strap versatility. The chronograph pushers on automatic models are described as agricultural and mushy, and the 45-hour power reserve is insufficient for continuous chronograph use.

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