Side by side

Sternglas Naos AutomatikvsSeiko King Seiko KSK

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

Naos Automatik
SternglasNaos Automatik
MSRP $463
King Seiko KSK
SeikoKing Seiko KSK
MSRP $2,000

At a glance

13 of 29 specs differ
Diameter
Naos Automatik38mm
King Seiko KSK38.3mm
Power Reserve
Naos Automatik42h
King Seiko KSK72h
Water Resistance
Naos Automatik50m
King Seiko KSK100m
MSRP
Naos Automatik$463
King Seiko KSK$2,000

Full specifications

Case

5 specs
Diameter
38mm
38.3mm
Thickness
12mm
11.7mm
Lug-to-Lug
43mm
46mm
Lug Width
20mm
19mm
Water Resistance
50m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 8215
6R55
Power Reserve
42h
72h
Jewels
24

Pricing

1 specs
MSRP
$463
$2,000

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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 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. 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 also not meeting the brand's advertised standard. One owner found the 38mm model lighter than expected and preferred it over a Seiko SRP703 and an Apple Watch. Overall, owners and reviewers highlight the Sternglas Naos Automatik's attractive Bauhaus design and good value, despite some criticisms of dial legibility and strap quality.

Seiko King Seiko KSK

Owners and reviewers widely praise the King Seiko KSK's sharp, faceted case design and harmonious mid-century aesthetic. Its compact 38.1mm or 37mm size and slim 10.7mm thickness are noted as highly wearable. However, accuracy is a point of contention, with one reviewer reporting a wide range of +25 to -15 seconds per day for the 6R31 movement, while others criticize the standard 6R movement as too thick and a departure from the brand's history. Water resistance is consistently cited as limited to 50 meters, and one owner reported misaligned screws on the caseback and clasp. On balance, owners and reviewers find the King Seiko KSK appealing for its design and wearability, though the movement choice and accuracy are significant drawbacks for some.

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