Side by side

Redux Zero-HourvsRZE Aspirare

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

Zero-Hour
ReduxZero-Hour
Aspirare
RZEAspirare
MSRP $699

At a glance

12 of 29 specs differ
Diameter
Zero-Hour39mm
Aspirare44mm
Power Reserve
Zero-Hour41h
Aspirare40h
Water Resistance
Zero-Hour200m
Aspirare200m
MSRP
Zero-Hour
Aspirare$699

Full specifications

Case

7 specs
Category
Diver
Diameter
39mm
44mm
Thickness
13.7mm
13mm
Lug-to-Lug
46.6mm
53mm
Lug Width
20mm
22mm
Material
Titanium
Grade 5 Titanium
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
AR Coating
Inner
Underside
Dial Color
Black
White

Movement

2 specs
Caliber
Seiko NH35
Miyota 9039
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$699

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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.

RZE Aspirare

The RZE Aspirare is widely praised for its exceptional value and build quality at $599, featuring a 44mm titanium case with UltraHex coating and a Miyota 9015 movement. Owners find the watch surprisingly comfortable, even on smaller wrists, and appreciate its modern, futuristic design and interchangeable bezel system. Some reviewers note the minute hand appears slightly short relative to the chapter ring, and the 53mm lug-to-lug may be challenging for smaller wrists. On balance, owners and reviewers rate the RZE Aspirare highly for its robust titanium construction and strong value proposition.

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