Side by side

Redux Zero-HourvsSpinnaker Dumas GMT

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

Zero-Hour
ReduxZero-Hour
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

11 of 29 specs differ
Diameter
Zero-Hour39mm
Dumas GMT44mm
Power Reserve
Zero-Hour41h
Dumas GMT40h
Water Resistance
Zero-Hour200m
Dumas GMT300m
MSRP
Zero-Hour
Dumas GMT$399

Full specifications

Case

7 specs
Category
GMT
Diameter
39mm
44mm
Thickness
13.7mm
15mm
Lug-to-Lug
46.6mm
48mm
Lug Width
20mm
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

2 specs
Caliber
Seiko NH35
Seiko NH34A
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$399

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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.

Redux Zero-Hour

Owners widely praise the Redux Courg Type 39MM for its robust, no-nonsense design and good overall quality, with a reliable Seiko NH53A movement keeping time well. The titanium case and crystal have shown scratch resistance, and the bezel action is described as tight by some. Reviewers note the proprietary RDXB1 or blue lume glows brilliantly, though briefly. Some owners flag the crown stem as flimsy and the unidirectional bezel as having some play. Overall, owners rate the Redux Courg Type 39MM highly for its functional tool-watch design and durable titanium construction.

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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