Sternglas Naos AutomatikvsSeiko King Seiko KSK
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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 Automatik

King Seiko KSK
Diameter
38mm
38.6mm
Lug-to-Lug
43mm
lowest
45.8mm
Thickness
12mm
10.7mm
lowest
Water Resistance
50m
50m
Power Reserve
42h
45h
highest
MSRP
$463
lowest
$3,300
Movement
Miyota 8215
Seiko 6L35
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Sternglas Naos Automatik is praised for its stylish Bauhaus design and solid build quality for its price, featuring a sapphire crystal and elegant case. Owners find the 38mm model lighter than comparable watches and prefer its aesthetic over smartwatches. However, some dial text is too small and slim for easy readability, and the Milanese strap and clasp are considered lower quality, with the quick-change system not meeting advertised standards. On balance, owners and reviewers rate the Sternglas Naos Automatik highly for its Bauhaus design and build quality at its price point.
The German minimalist and Bauhaus aesthetic is a key strength. Reviewers did not agree on any specific weaknesses. Reviewers disagreed on whether the watch offers superior value compared to the Junghans Max Bill.
The Seiko King Seiko KSK is praised for its slim, retro design with sharply faceted lugs and well-executed dials, featuring a mix of brushed and polished finishes. Owners and reviewers consistently highlight the Grand Seiko-level dial and case finishing, the double-bevel sapphire crystal, and an unusually nice bracelet. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day and another noting +15/-10 seconds per day for the 6L35 movement. Some owners question the value proposition at its price point, particularly when considering the movement. Overall, owners and reviewers appreciate the King Seiko KSK for its refined retro aesthetic and high-quality finishing, despite some reservations about its price and movement in certain configurations.
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