Side by side

Seiko King Seiko KSKvsZelos LT Carbon

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $2,000
LT Carbon
ZelosLT Carbon
MSRP $449

At a glance

14 of 29 specs differ
Diameter
King Seiko KSK38.3mm
LT Carbon40mm
Power Reserve
King Seiko KSK72h
LT Carbon40h
Water Resistance
King Seiko KSK100m
LT Carbon50m
MSRP
King Seiko KSK$2,000
LT Carbon$449

Full specifications

Case

6 specs
Diameter
38.3mm
40mm
Thickness
11.7mm
10.8mm
Lug-to-Lug
46mm
40mm
Lug Width
19mm
20mm
Material
Stainless Steel
Forged Carbon
Water Resistance
100m
50m

Crystal & Dial

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

Movement

3 specs
Caliber
6R55
Miyota 9133
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$2,000
$449

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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'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.

Zelos LT Carbon

The forged carbon case construction is a standout feature, noted for its lightweight feel and distinctive pattern. The proprietary strap system limits aftermarket options. Reviewers disagree on the value proposition compared to alternatives.

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