Side by side

Seiko King Seiko KSKvsZelos GT

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
GT
ZelosGT
MSRP $499

At a glance

14 of 29 specs differ
Diameter
King Seiko KSK38.3mm
GT42mm
Power Reserve
King Seiko KSK72h
GT40h
Water Resistance
King Seiko KSK100m
GT100m
MSRP
King Seiko KSK$2,000
GT$499

Full specifications

Case

6 specs
Category
Dress
Chronograph
Diameter
38.3mm
42mm
Thickness
11.7mm
10.8mm
Lug-to-Lug
46mm
42mm
Lug Width
19mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
SS - Azzurro
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
$499

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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 GT

The Zelos GT is lauded for its value and bold design, with owners highlighting the cool power reserve meter and superb 3-point micro-adjust bracelet. Some owners find the case and lugs could hug the wrist better, and the bracelet is noted as being quite long, requiring significant link removal for a 7.1-inch wrist. The dark green dial, while inspired by Lamborghini, is described as appearing mostly black. Overall, owners rate the Zelos GT highly for its value and the quality of its bracelet at the price point.

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