Side by side

Geckota GT Racing ChronographvsSpinnaker Dumas GMT

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

GT Racing Chronograph
GeckotaGT Racing Chronograph
MSRP $399
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

9 of 29 specs differ
Diameter
GT Racing Chronograph40mm
Dumas GMT44mm
Power Reserve
GT Racing Chronograph40h
Dumas GMT40h
Water Resistance
GT Racing Chronograph50m
Dumas GMT300m
MSRP
GT Racing Chronograph$399
Dumas GMT$399

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
40mm
44mm
Thickness
12.7mm
15mm
Lug-to-Lug
48mm
Lug Width
22mm
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

2 specs
Caliber
Seiko NH34A
Type
Quartz
Automatic

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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.

Geckota GT Racing Chronograph

The Geckota GT Racing strap is praised for its quality leather, crisp stitching, and beautiful patina, offering excellent value at less than half the price of similar vintage straps. Some owners find the 125/80mm length longer than ideal, and the keeper potentially smaller. On balance, owners rate the Geckota GT Racing strap highly for its quality and value, despite minor concerns about its length and keeper size.

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.

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