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.

Sternglas Naos Automatik at true scale

Naos Automatik

Seiko King Seiko KSK at true scale

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 specs
Diameter
38mm
38.6mm
Thickness
12mm
10.7mm
Lug-to-Lug
43mm
45.8mm
Lug Width
20mm
19mm

Crystal & Dial

3 specs
Crystal Shape
n/a
Box
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a

Movement

3 specs
Caliber
Miyota 8215
Seiko 6L35
Power Reserve
42h
45h
Jewels
n/a
26

Pricing

1 specs
MSRP
$463
$3,300
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sternglas Naos Automatik

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.

From video reviewers

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.

Seiko King Seiko KSK

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.