Side by side

Sternglas NaosvsRedux Zero-Hour

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

Naos
SternglasNaos
MSRP $323
Zero-Hour
ReduxZero-Hour

At a glance

12 of 29 specs differ
Diameter
Naos38mm
Zero-Hour39mm
Power Reserve
Naos
Zero-Hour41h
Water Resistance
Naos50m
Zero-Hour200m
MSRP
Naos$323
Zero-Hour

Full specifications

Case

6 specs
Category
Dress
Diameter
38mm
39mm
Thickness
7.2mm
13.7mm
Lug-to-Lug
41mm
46.6mm
Material
Stainless Steel
Titanium
Water Resistance
50m
200m

Crystal & Dial

1 specs
Dial Color
Black

Movement

4 specs
Caliber
Ronda 714
Seiko NH35
Type
Quartz
Automatic
Power Reserve
41h
Jewels
25

Pricing

1 specs
MSRP
$323

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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.

Sternglas Naos

The Sternglas Naos is widely praised for its refined daily wearability and Bauhaus design, with owners noting its durable construction, scratchless sapphire crystal, and flawless date mechanism. Reviewers highlight the comfortable and supple bracelet that drapes well and a date window that matches the dial. One owner advises replacing the original tan strap due to a lack of durability. The quartz movement is noted for its accuracy, and the absence of a seconds hand is seen as a unique solution to prevent misaligned markers. Overall, owners and reviewers rate the Sternglas Naos highly for its harmonious design and comfortable wear at its price point.

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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