Side by side

Sternglas Naos Pro AutomatikvsSeiko King Seiko KSK

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Naos Pro Automatik
SternglasNaos Pro Automatik
MSRP $755
King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300

At a glance

12 of 29 specs differ
Diameter
Naos Pro Automatik38mm
King Seiko KSK38.6mm
Power Reserve
Naos Pro Automatik42h
King Seiko KSK45h
Water Resistance
Naos Pro Automatik50m
King Seiko KSK50m
MSRP
Naos Pro Automatik$755
King Seiko KSK$3,300

Full specifications

Case

4 specs
Diameter
38mm
38.6mm
Thickness
9mm
10.7mm
Lug-to-Lug
42.4mm
45.8mm
Lug Width
20mm
19mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Black
Lume
Luminova Punkte
None

Movement

3 specs
Caliber
Miyota 9015
6L35
Power Reserve
42h
45h
Jewels
26

Pricing

1 specs
MSRP
$755
$3,300

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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 Automatik

The Sternglas Naos Pro Automatik is praised for its slim 9mm case and Bauhaus dial design, featuring clear hour markers and a framed date window. Owners note the upgraded Miyota 9015 movement with a 4Hz beat rate. Accuracy is reported as -10/+30 seconds per day, which is not ideal for precision enthusiasts. The five-link bracelet's lack of fitted end-links and the optional bracelet's chunkiness are flagged as areas lacking refinement. Overall, reviewers highlight the Sternglas Naos Pro Automatik's improved wearability and premium feel at its price point.

From video reviewers

The Bauhaus design is a strength. The value proposition is a weakness.

Seiko King Seiko KSK

Owners and reviewers widely praise the King Seiko KSK for its exceptional dial and case finishing, often compared to higher-end brands, and its slim, retro design. The use of the Calibre 6L35 movement in some variants is seen as a significant upgrade, contributing to a refined feel, while others note the bracelet is unusually nice and the case offers a mix of brushed and polished finishes with sharp angles. However, some owners question the value proposition, citing misaligned screws and clasp components on their examples, and the standard 6R movement in some models is criticized as a disappointment for the price point. Accuracy figures range from +15/-10 seconds per day to +5 to +7 seconds per day, and water resistance is rated at 5 BAR or 50 meters. Overall, owners and reviewers find the King Seiko KSK to be a beautiful and classy watch with fantastic finishing, though some are divided on its value and movement choice at its price point.

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