Sternglas Naos Pro AutomatikvsStowa Partitio Classic
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Naos Pro Automatik

Partitio Classic
Diameter
38mm
37mm
Lug-to-Lug
42.4mm
lowest
46.9mm
Thickness
9mm
lowest
10.9mm
Water Resistance
50m
n/a
Power Reserve
42h
n/a
MSRP
$699
n/a
Movement
Miyota 9015
Sellita SW200-1
Case
5 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Sternglas Naos Pro Automatik is praised for its slim, wearable 38mm case with a mix of brushed and polished finishes and a refined Bauhaus dial design. Reviewers note the upgraded Miyota 9015 movement and improved wearability. Some find the optional five-link bracelet too chunky and lacking refinement, with one reviewer noting its accuracy of -10/+30 seconds per day is not for precision enthusiasts. On balance, reviewers rate the Sternglas Naos Pro Automatik highly for its slim case and refined dial design at its price point.
The Bauhaus design is a strength. The value proposition is a weakness.
Owners widely praise the Stowa Partitio Classic's 37mm size as perfect for everyday wear and future inheritance, appreciating its classic Bauhaus design, well-executed dial typography, and the "HANDAUFZUG" marking. The Super-Luminova Old Radium coloring and traditional Stowa logo are also noted aesthetic highlights, contributing to its unique classic appeal. The watch's build quality is considered excellent, comparable to other respected German brands, and its curved case with a 47mm lug-to-lug ensures comfortable wearability. Some consider it a military-style watch, while others see it as a perfect unique classic for daily use. The Partitio Black Automatic offers good value under $1,000, though the movement finishing is basic and the sapphire crystal lacks anti-reflection. Overall, owners rate the Stowa Partitio Classic highly for its classic aesthetics and comfortable 37mm wearability at its price point.
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