Side by side

Sternglas Naos GroßdatumvsSeiko King Seiko KSK

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

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 Großdatum

The Sternglas Naos Großdatum is praised for its Bauhaus aesthetic and value, with one owner finding it an affordable alternative to other designs. However, some owners report it feels underwhelming and cheap, with a printed-on face, small font, and toy-like hands, and find the strap to be of poor quality. The watch features a 38mm stainless steel case, an Alabaster dial with beige LumiNova, and a Seiko TMI VJ76 quartz movement rated for -20/+20 seconds per month. On balance, owners and reviewers are divided, with the primary point of contention being the perceived quality and aesthetic execution of the Sternglas Naos Großdatum.

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.

At a glance

14 of 29 specs differ
Diameter
Naos Großdatum38mm
King Seiko KSK38.3mm
Power Reserve
Naos Großdatum
King Seiko KSK72h
Water Resistance
Naos Großdatum50m
King Seiko KSK100m
MSRP
Naos Großdatum$323
King Seiko KSK$2,000

Full specifications

Case

5 specs
Diameter
38mm
38.3mm
Thickness
10mm
11.7mm
Lug-to-Lug
42mm
46mm
Lug Width
20mm
19mm
Water Resistance
50m
100m

Crystal & Dial

4 specs
Crystal Shape
Box
AR Coating
Anti-reflective coating on inner surface
Dial Color
Lume
Luminova Punkten
LumiBrite on Hands

Movement

4 specs
Caliber
Seiko VJ76
6R55
Type
Quartz
Automatic
Power Reserve
72h
Jewels
24

Pricing

1 specs
MSRP
$323
$2,000
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