Side by side

Citizen Promaster Skyhawk U830vsRedux Zero-Hour

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

Promaster Skyhawk U830
CitizenPromaster Skyhawk U830
MSRP $596
Zero-Hour
ReduxZero-Hour

At a glance

12 of 29 specs differ
Diameter
Promaster Skyhawk U83043mm
Zero-Hour39mm
Power Reserve
Promaster Skyhawk U83040h
Zero-Hour41h
Water Resistance
Promaster Skyhawk U830200m
Zero-Hour200m
MSRP
Promaster Skyhawk U830$596
Zero-Hour

Full specifications

Case

6 specs
Category
Pilot
Diameter
43mm
39mm
Thickness
12mm
13.7mm
Lug-to-Lug
46mm
46.6mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Blue
Black

Movement

3 specs
Caliber
U830
Seiko NH35
Type
Quartz
Automatic
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$596

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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.

Citizen Promaster Skyhawk U830

The Citizen Promaster Skyhawk U830 is praised for its updated 43mm titanium case, legible memory-in-pixel display, and cleaner, less cluttered design compared to previous versions. Reviewers highlight its versatile contemporary look and enhanced functionality from the caliber U830, while owners appreciate the MIP display and screw-down caseback. Some users find the interface clunky and the face busy, particularly noting the "calendar" label and the lack of radio or GPS time synchronization, with one owner finding the 45mm size and busy subdials less useful for non-pilots. On balance, owners and reviewers rate the Citizen Promaster Skyhawk U830 highly for its impressive technology and improved legibility in a contemporary package.

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.

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