Side by side

Sternglas Naos Pro GMT AutomatikvsSugess Seestern S430 Titanium Diver

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
Seestern S430 Titanium Diver
SugessSeestern S430 Titanium Diver
MSRP $299

At a glance

14 of 29 specs differ
Diameter
Naos Pro GMT Automatik38mm
Seestern S430 Titanium Diver40mm
Power Reserve
Naos Pro GMT Automatik42h
Seestern S430 Titanium Diver40h
Water Resistance
Naos Pro GMT Automatik50m
Seestern S430 Titanium Diver200m
MSRP
Naos Pro GMT Automatik$863
Seestern S430 Titanium Diver$299

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
38mm
40mm
Thickness
11mm
12.5mm
Lug-to-Lug
42mm
46mm
Material
Stainless Steel
Titanium
Water Resistance
50m
200m

Crystal & Dial

2 specs
Dial Color
Blue
Lume
Luminova Punkte
Tritium

Movement

5 specs
Caliber
Miyota 9075
Seiko NH35
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
40h
Jewels
25
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$863
$299

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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 Seestern S430 Titanium Diver

Owners widely praise the Sugess Seestern S430 Titanium Diver for its genuine titanium construction, making it extremely light and comfortable at 92 grams on a 6.7-inch wrist. The ceramic bezel is described as fantastic and mesmerizing to use, and the brushed finishing is noted as nice. The watch features an NH38 movement, which is appreciated for its lack of ghost date functionality. However, some owners find the price comparable to competitors and have noted issues with the clasp's fit, with some finding the existing holes insufficient and the rotating arm needing to bend. The crown unscrewing is not smooth, and the bezel action is described as gritty with uneven resistance. One owner reported a crown tube failure on a V1 model. Overall, owners rate the Sugess Seestern S430 Titanium Diver highly for its lightweight titanium build and excellent ceramic bezel, despite some concerns regarding the clasp design.

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