Side by side

Redux Zero-HourvsKUOE ROYAL SMITH 90-012

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

Zero-Hour
ReduxZero-Hour
ROYAL SMITH 90-012
KUOEROYAL SMITH 90-012

At a glance

11 of 29 specs differ
Diameter
Zero-Hour39mm
ROYAL SMITH 90-01237mm
Power Reserve
Zero-Hour41h
ROYAL SMITH 90-01245h
Water Resistance
Zero-Hour200m
ROYAL SMITH 90-01250m
MSRP
Zero-Hour
ROYAL SMITH 90-012

Full specifications

Case

6 specs
Category
Chronograph
Diameter
39mm
37mm
Thickness
13.7mm
14.3mm
Lug-to-Lug
46.6mm
44mm
Material
Titanium
Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

3 specs
Crystal Shape
Flat
Dome
AR Coating
Inner
Yes
Dial Color
Black
Navy

Movement

2 specs
Caliber
Seiko NH35
TMI NE86A
Power Reserve
41h
45h

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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 90-012

Owners widely praise the KUOE ROYAL SMITH 90-012 for its elegant 37mm size and symmetrical bicompax layout, with the silver dial described as "insane" and highly readable. The chronograph pushers are noted for their crisp action and satisfying reset. However, reviewers flag the 14.3mm thickness as chunky for the case size, and one owner finds the date window difficult to read due to its small size and deep setting. The TMI NE86A movement offers a 45-hour power reserve and accuracy between +25 and -15 seconds per day. On balance, owners and reviewers rate the KUOE ROYAL SMITH 90-012 highly for its retro charm and attractive dial options at its price point.

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