Side by side

Redux Zero-HourvsTornek-Rayville Blakjak 12-hr GMT

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

Zero-Hour
ReduxZero-Hour
Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895

At a glance

11 of 29 specs differ
Diameter
Zero-Hour39mm
Blakjak 12-hr GMT42.5mm
Power Reserve
Zero-Hour41h
Blakjak 12-hr GMT42h
Water Resistance
Zero-Hour200m
Blakjak 12-hr GMT200m
MSRP
Zero-Hour
Blakjak 12-hr GMT$895

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
42.5mm
Thickness
13.7mm
13.2mm
Lug-to-Lug
46.6mm
49mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
None
Superluminova

Movement

2 specs
Caliber
Seiko NH35
SII NH36
Power Reserve
41h
42h

Pricing

1 specs
MSRP
$895

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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.

Tornek-Rayville Blakjak 12-hr GMT

The Tornek-Rayville Blakjak 12-hr GMT is a 42.5mm stainless steel watch featuring a DLC-coated bezel, sapphire crystal, and a matte black dial with 12- and 24-hour scales. It is powered by a Seiko SII NH36 automatic movement, offering a 41-hour power reserve, and boasts 200 meters of water resistance. The dial includes a day/date complication and Super-LumiNova BGW9 lume. Overall, owners and reviewers highlight its robust build and functional military-inspired design as key strengths.

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