Side by side

Redux Zero-HourvsSpinnaker Croft 39 GMT

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

Zero-Hour
ReduxZero-Hour
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

9 of 29 specs differ
Diameter
Zero-Hour39mm
Croft 39 GMT39mm
Power Reserve
Zero-Hour41h
Croft 39 GMT40h
Water Resistance
Zero-Hour200m
Croft 39 GMT100m
MSRP
Zero-Hour
Croft 39 GMT$445

Full specifications

Case

5 specs
Category
GMT
Thickness
13.7mm
13mm
Lug-to-Lug
46.6mm
47mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Black
Red

Movement

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

Pricing

1 specs
MSRP
$445

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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 Zero Hour 39MM for its robust, utilitarian design inspired by pilot and dive tools, its lightweight Grade 5 titanium construction, and its comfortable wearability. The proprietary RDXB1 lume is noted for its bright initial glow, though it fades quickly. The Seiko NH53A or NH35 movement is generally considered reliable. However, multiple owners report a flimsy or fragile crown stem, and some describe the unidirectional bezel as having play or being able to rotate clockwise by one minute, though one owner reported a tight bezel with no play. The 39mm case size is considered good by some, while others find it small for larger wrists or note it looks large, with some desiring a 42mm option. One owner found the titanium finish looked slightly cheap and wished for a bezel insert. The dial is described by one owner as too busy for easy reading without glasses. The Redux Courg Zero Hour 39MM is available for $300, down from an original price of $507.

Spinnaker Croft 39 GMT

Owners praise the Spinnaker Croft 39 GMT for its colorful design, NH34 GMT movement, and reasonable price, noting high-standard manufacturing on the case, bezel, and bracelet. One owner finds the 43mm case and 51mm lug-to-lug dimensions too large for the design, preferring a 39-40mm case size. A potential issue with the lume was noted by one user. On balance, owners value the Spinnaker Croft 39 GMT for its attractive design and build quality at its price point, though sizing is a point of contention for some.

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