Side by side

Horage Omnium K2vsGrand Seiko SBGM221

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

Omnium K2
HorageOmnium K2
MSRP $5,140
SBGM221
Grand SeikoSBGM221
MSRP $5,400

At a glance

11 of 29 specs differ
Diameter
Omnium K237.3mm
SBGM22139.5mm
Power Reserve
Omnium K272h
SBGM22172h
Water Resistance
Omnium K2100m
SBGM22130m
MSRP
Omnium K2$5,140
SBGM221$5,400

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
37.3mm
39.5mm
Thickness
7.95mm
13.7mm
Lug-to-Lug
43.8mm
46.9mm
Lug Width
20mm
19mm
Water Resistance
100m
30m

Crystal & Dial

2 specs
AR Coating
No
Yes
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Horage K2
9S66
Power Reserve
72h
72h

Pricing

1 specs
MSRP
$5,140
$5,400

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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.

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.

Grand Seiko SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

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