Side by side

Spinnaker Dumas GMTvsStudio Underd0g Steffany Blue

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Steffany Blue
Studio Underd0gSteffany Blue
MSRP $800

At a glance

10 of 29 specs differ
Diameter
Dumas GMT44mm
Steffany Blue39.5mm
Power Reserve
Dumas GMT40h
Steffany Blue40h
Water Resistance
Dumas GMT300m
Steffany Blue
MSRP
Dumas GMT$399
Steffany Blue$800

Full specifications

Case

7 specs
Category
GMT
Casual
Diameter
44mm
39.5mm
Thickness
15mm
Lug-to-Lug
48mm
Lug Width
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m

Movement

2 specs
Caliber
Seiko NH34A
Type
Automatic
Manual

Pricing

1 specs
MSRP
$399
$800

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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.

Studio Underd0g Steffany Blue

Owners widely praise the Studio Underd0g Steffany Blue for its beautiful multilayer dial with a floating effect and vivid Super-LumiNova, with one owner finding it smaller and more beautiful than expected. The 37mm case wears nicely, though some find it slightly small for larger wrists. One owner notes the power reserve can fall short of the advertised 48 hours, sometimes lasting only about a day. Overall, owners rate the Studio Underd0g Steffany Blue highly for its striking dial and luminous display.

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