Side by side

Seiko King Seiko KSKvsNOMOS Glashütte Tangomat ruthenium

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300
Tangomat ruthenium
NOMOS GlashütteTangomat ruthenium
MSRP $3,700

At a glance

14 of 29 specs differ
Diameter
King Seiko KSK38.6mm
Tangomat ruthenium38.3mm
Power Reserve
King Seiko KSK45h
Tangomat ruthenium43 hoursh
Water Resistance
King Seiko KSK50m
Tangomat ruthenium30m
MSRP
King Seiko KSK$3,300
Tangomat ruthenium$3,700

Full specifications

Case

7 specs
Diameter
38.6mm
38.3mm
Thickness
10.7mm
8.3mm
Lug-to-Lug
45.8mm
48mm
Lug Width
19mm
20mm
Finish
Brushed and polished
Water Resistance
50m
30m
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Box
AR Coating
Anti-reflective coating on inner surface
Indices
Applied

Movement

3 specs
Caliber
6L35
DUW 5001
Beat Rate
28,800 vph
21,600 vph
Power Reserve
45h
43 hoursh

Pricing

1 specs
MSRP
$3,300
$3,700

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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.

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.

NOMOS Glashütte Tangomat ruthenium

Owners widely praise the NOMOS Glashütte Tangomat ruthenium for its Glashütte watchmaking and Bauhaus design, with one owner noting accuracy at +2 seconds/day and a 43-hour power reserve. Some owners find the Tangomat thicker than other models, with case proportions that may not suit its sharp design, and one owner expressed a preference for newer movements over the older Epsilon automatic. Overall, owners value the NOMOS Glashütte Tangomat ruthenium for its precise timekeeping and design ethos.

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