Side by side

Sternglas Naos Pro GMT AutomatikvsRedux Zero-Hour

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

Naos Pro GMT Automatik
SternglasNaos Pro GMT Automatik
MSRP $863
Zero-Hour
ReduxZero-Hour

At a glance

12 of 29 specs differ
Diameter
Naos Pro GMT Automatik38mm
Zero-Hour39mm
Power Reserve
Naos Pro GMT Automatik42h
Zero-Hour41h
Water Resistance
Naos Pro GMT Automatik50m
Zero-Hour200m
MSRP
Naos Pro GMT Automatik$863
Zero-Hour

Full specifications

Case

6 specs
Category
GMT
Diameter
38mm
39mm
Thickness
11mm
13.7mm
Lug-to-Lug
42mm
46.6mm
Material
Stainless Steel
Titanium
Water Resistance
50m
200m

Crystal & Dial

2 specs
Dial Color
Black
Lume
Luminova Punkte
None

Movement

3 specs
Caliber
Miyota 9075
Seiko NH35
Power Reserve
42h
41h
Jewels
25

Pricing

1 specs
MSRP
$863

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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 Pro GMT Automatik

Owners report the Sternglas Naos can feel underwhelming with a cheap feel and hands resembling office printer output, with some finding it wears smaller than expected and looks like a toy, though others appreciate its understated design. Reviewers highlight the Argo Automatic variant as a compelling sub-€400 mechanical watch with a colorful dial and practical date wheel, suitable for new collectors, featuring a 38mm case and a Miyota 8215 movement. On balance, the consensus is that the Sternglas Naos offers a mixed ownership experience, with its value proposition and entry-level appeal being its strongest points for some.

From video reviewers

The Sternglas Naos Pro GMT Automatik features a clean Bauhaus design that sets it apart from other GMT watches. A notable weakness is the watch's bezel action, which is not as smooth as some reviewers would have liked. Reviewers disagree on the watch's case size, with one reviewer stating it's slightly larger than the original Naos Automatic, while another reviewer doesn't mention this aspect at all.

Redux Zero-Hour

Owners widely praise the Redux Courg Type 39MM for its robust, no-nonsense design and good overall quality, with a reliable Seiko NH53A movement keeping time well. The titanium case and crystal have shown scratch resistance, and the bezel action is described as tight by some. Reviewers note the proprietary RDXB1 or blue lume glows brilliantly, though briefly. Some owners flag the crown stem as flimsy and the unidirectional bezel as having some play. Overall, owners rate the Redux Courg Type 39MM highly for its functional tool-watch design and durable titanium construction.

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