Side by side

Redux Zero-HourvsSpinnaker Fleuss 40 Automatic

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

Zero-Hour
ReduxZero-Hour
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

10 of 29 specs differ
Diameter
Zero-Hour39mm
Fleuss 40 Automatic40mm
Power Reserve
Zero-Hour41h
Fleuss 40 Automatic40h
Water Resistance
Zero-Hour200m
Fleuss 40 Automatic150m
MSRP
Zero-Hour
Fleuss 40 Automatic$450

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
40mm
Thickness
13.7mm
11mm
Lug-to-Lug
46.6mm
47mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
150m

Crystal & Dial

1 specs
Dial Color
Black
Coral

Movement

2 specs
Caliber
Seiko NH35
SII NH35A
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$450

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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 Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

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