Side by side

Redux Zero-HourvsFormex Reef 42 mm

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

Zero-Hour
ReduxZero-Hour
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

11 of 29 specs differ
Diameter
Zero-Hour39mm
Reef 42 mm42mm
Power Reserve
Zero-Hour41h
Reef 42 mm56h
Water Resistance
Zero-Hour200m
Reef 42 mm300m
MSRP
Zero-Hour
Reef 42 mm$2,414

Full specifications

Case

7 specs
Category
Diver
Diameter
39mm
42mm
Thickness
13.7mm
11.4mm
Lug-to-Lug
46.6mm
47mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

1 specs
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Seiko NH35
Sellita SW300-1
Power Reserve
41h
56h

Pricing

1 specs
MSRP
$2,414

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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.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

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