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 $1,900
GT
ZelosGT
MSRP $499

At a glance

14 of 29 specs differ
Diameter
King Seiko KSK36.1mm
GT42mm
Power Reserve
King Seiko KSK72h
GT40h
Water Resistance
King Seiko KSK100m
GT100m
MSRP
King Seiko KSK$1,900
GT$499

Full specifications

Case

6 specs
Category
Dress
Chronograph
Diameter
36.1mm
42mm
Thickness
11.6mm
10.8mm
Lug-to-Lug
43mm
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 and index(es)
None

Movement

3 specs
Caliber
6R51
Miyota 9133
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,900
$499

Follow this matchup

Get a note when Seiko King Seiko KSK vs Zelos GT gets more votes, a community discussion, or a price drop. No account needed.

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

The King Seiko KSK is widely praised for its refined finishing, with owners and reviewers noting its sharp case, faceted lugs, and well-executed dial indices, often comparing its polishing favorably to Grand Seiko. Enthusiasts appreciate its slim, retro design, with some stating it wears smaller than its official size due to the cushion case and close-to-the-wrist feel. The use of the slimline Calibre 6L35 movement is seen as an upgrade, maintaining the watch's slender profile, though some owners express concern over the price point and the perceived value of the movement. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day, while another notes +15/-10 seconds per day. Some owners have noted minor quality control issues such as misaligned screws or a burr on a hand. On balance, owners and reviewers rate the King Seiko KSK highly for its exceptional case and dial finishing at its price point.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.