Side by side

Redux Zero-HourvsKUOE ROYAL SMITH 90-006

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

Zero-Hour
ReduxZero-Hour
ROYAL SMITH 90-006
KUOEROYAL SMITH 90-006
MSRP $795

At a glance

14 of 29 specs differ
Diameter
Zero-Hour39mm
ROYAL SMITH 90-00635mm
Power Reserve
Zero-Hour41h
ROYAL SMITH 90-00642h
Water Resistance
Zero-Hour200m
ROYAL SMITH 90-006100m
MSRP
Zero-Hour
ROYAL SMITH 90-006$795

Full specifications

Case

7 specs
Category
Dress
Diameter
39mm
35mm
Thickness
13.7mm
10.4mm
Lug-to-Lug
46.6mm
42mm
Lug Width
20mm
18mm
Material
Titanium
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Dome
AR Coating
Inner
Yes
Dial Color
Black
Ivory
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Seiko NH35
Miyota 9039
Power Reserve
41h
42h

Pricing

1 specs
MSRP
$795

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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.

KUOE ROYAL SMITH 90-006

Owners widely praise the KUOE ROYAL SMITH 90-006 for its visual appeal and sapphire crystal with AR coating. The watch functions correctly and keeps time at approximately +5 seconds per day on the wrist, powered by a Miyota 9039 movement. On balance, owners value the watch's aesthetics and specifications, though some question its overall value proposition.

From video reviewers

The watch's unique blend of modern and retro elements is a notable strength, with a textured ivory waffle dial and Breguet numerals giving it the look of a vintage watch from the 1950s and 1960s. A potential drawback is the ~$770 USD price point, which is significant for a microbrand. Reviewers disagree on the movement's accuracy, with one reviewer noting it is noisy and another describing it as a "Japanese-manufactured high beat premium automatic movement".

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