Side by side

Sternglas Naos Pro GMT AutomatikvsSugess Tourbillon Master S454

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
Tourbillon Master S454
SugessTourbillon Master S454
MSRP $999

At a glance

15 of 29 specs differ
Diameter
Naos Pro GMT Automatik38mm
Tourbillon Master S45441mm
Power Reserve
Naos Pro GMT Automatik42h
Tourbillon Master S45440h
Water Resistance
Naos Pro GMT Automatik50m
Tourbillon Master S4545m
MSRP
Naos Pro GMT Automatik$863
Tourbillon Master S454$999

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
38mm
41mm
Thickness
11mm
8.9mm
Lug-to-Lug
42mm
44.9mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
50m
5m
Caseback
Solid
Display

Crystal & Dial

2 specs
Dial Color
Black
Lume
Luminova Punkte
None

Movement

5 specs
Caliber
Miyota 9075
ST8000
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
40h
Jewels
25

Pricing

1 specs
MSRP
$863
$999

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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.

Sugess Tourbillon Master S454

Owners widely praise the Sugess Tourbillon Master S454 for its attractive dial finishing, sharp case edges, and the visual appeal of its genuine tourbillon, especially considering its price point. Specific strengths highlighted include a delicate 38mm size with 11.5mm thickness and a crisp winding feel. However, multiple owners note accuracy issues, with figures ranging from +6 to +11 seconds per day and one report of -12 seconds per day. Concerns are also raised about the movement's finishing upon close inspection, the lack of internal anti-reflective coating causing reflections, a small crown that makes winding cumbersome, and potential long-term durability and serviceability challenges. The 24-hour complication is not independently adjustable, and water resistance is limited to 50m. Overall, owners rate the Sugess Tourbillon Master S454 highly for its impressive tourbillon and finishing at the price, despite some noted accuracy and finishing caveats.

From video reviewers

The value proposition of a functional tourbillon movement under $600 is a significant strength. Reviewers noted issues with the bracelet and wearability.

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