Side by side

Sternglas Naos Pro GMT AutomatikvsGrand Seiko SBGE307

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
SBGE307
Grand SeikoSBGE307
MSRP $11,500

At a glance

14 of 29 specs differ
Diameter
Naos Pro GMT Automatik38mm
SBGE30744.5mm
Power Reserve
Naos Pro GMT Automatik42h
SBGE30772h
Water Resistance
Naos Pro GMT Automatik50m
SBGE307200m
MSRP
Naos Pro GMT Automatik$863
SBGE307$11,500

Full specifications

Case

6 specs
Diameter
38mm
44.5mm
Thickness
11mm
14.9mm
Lug-to-Lug
42mm
50mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Lume
Luminova Punkte
None

Movement

4 specs
Caliber
Miyota 9075
9R66
Type
Automatic
Spring Drive
Power Reserve
42h
72h
Jewels
25

Pricing

1 specs
MSRP
$863
$11,500

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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.

Grand Seiko SBGE307

The Grand Seiko SBGE307 is praised for its unique "lion's mane" textured ivory dial and angular, modern titanium case featuring Zaratsu polishing. Reviewers highlight the aggressive, claw-shaped lugs and the contrasting hairline finishing, as well as the brownish-red GMT hand as a notable accent. The watch is powered by the 9R66 Spring Drive movement, offering a 72-hour power reserve and accuracy rated at +/- 15 seconds per month by one source, and +/- 1 second per day by another. It is priced at $10,700 USD and offers 200m water resistance. On balance, reviewers find the Grand Seiko SBGE307 to be a striking timepiece distinguished by its textured dial and sharp case finishing.

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