Side by side

Horage Omnium K2vsSeiko King Seiko KSK

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

Omnium K2
HorageOmnium K2
MSRP $5,140
King Seiko KSK
SeikoKing Seiko KSK
MSRP $1,900

At a glance

11 of 29 specs differ
Diameter
Omnium K237.3mm
King Seiko KSK36.1mm
Power Reserve
Omnium K272h
King Seiko KSK72h
Water Resistance
Omnium K2100m
King Seiko KSK100m
MSRP
Omnium K2$5,140
King Seiko KSK$1,900

Full specifications

Case

4 specs
Diameter
37.3mm
36.1mm
Thickness
7.95mm
11.6mm
Lug-to-Lug
43.8mm
43mm
Lug Width
20mm
19mm

Crystal & Dial

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

Movement

3 specs
Caliber
Horage K2
6R51
Power Reserve
72h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$5,140
$1,900

Follow this matchup

Get a note when Horage Omnium K2 vs Seiko King Seiko KSK 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.

Horage Omnium K2

The Horage Omnium K2 is lauded for its slim 7.95mm profile and chronometer-certified K2 micro-rotor movement with a 72-hour power reserve. Reviewers note its technical innovation, including a proprietary silicon escapement and modular K1 movement, and praise its value. However, some find the molded, luminous hour numerals too whimsical, and the explicit mention of "silicon escapement" on the dial is considered unnecessary. On balance, reviewers rate the Horage Omnium K2 highly for its technical innovation and slim profile 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.

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.