Side by side

Horage DecafluxvsSeiko 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.

Horage Decaflux

The Horage Decaflux is praised for its innovative in-house K3 movement, featuring a silicon escapement and a 96-hour power reserve, along with chronometer certification and a slim 9.98mm profile. Reviewers note its tinted sapphire crystal, lightning bolt seconds hand, and bracelet with an integrated vibe and thin clasp. The watch is priced at CHF 2,750, with preorder pricing at CHF 2,500, representing a strong value for an in-house Swiss movement. Some reviewers find the lightning bolt seconds hand slightly too wide and note a direct design homage to the Rolex Milgauss. On balance, reviewers rate the Horage Decaflux highly for its technical innovation and value proposition at its price point.

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.

At a glance

12 of 29 specs differ
Diameter
Decaflux40mm
King Seiko KSK36.1mm
Power Reserve
Decaflux
King Seiko KSK72h
Water Resistance
Decaflux100m
King Seiko KSK100m
MSRP
Decaflux$3,080
King Seiko KSK$1,900

Full specifications

Case

4 specs
Diameter
40mm
36.1mm
Thickness
9.98mm
11.6mm
Lug-to-Lug
46mm
43mm
Lug Width
0mm
19mm

Crystal & Dial

4 specs
Crystal Shape
Box
AR Coating
No
Anti-reflective coating on inner surface
Dial Color
White
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Horage K3
6R51
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$3,080
$1,900
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