Side by side

Horage Omnium K2vsGrand Seiko SBGE307

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

Omnium K2
HorageOmnium K2
MSRP $5,140
SBGE307
Grand SeikoSBGE307
MSRP $11,500

At a glance

14 of 29 specs differ
Diameter
Omnium K237.3mm
SBGE30744.5mm
Power Reserve
Omnium K272h
SBGE30772h
Water Resistance
Omnium K2100m
SBGE307200m
MSRP
Omnium K2$5,140
SBGE307$11,500

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
37.3mm
44.5mm
Thickness
7.95mm
14.9mm
Lug-to-Lug
43.8mm
50mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
No
Yes
Dial Color
Green
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Horage K2
9R66
Type
Automatic
Spring Drive
Power Reserve
72h
72h

Pricing

1 specs
MSRP
$5,140
$11,500

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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 SBGE307

The Grand Seiko SBGE307 is praised for its unique "lion's mane" textured ivory dial and angular, modern titanium case featuring Zaratsu polishing. Reviewers highlight the aggressive, claw-shaped lugs and the contrasting hairline finishing, as well as the brownish-red GMT hand as a notable accent. The watch is powered by the 9R66 Spring Drive movement, offering a 72-hour power reserve and accuracy rated at +/- 15 seconds per month by one source, and +/- 1 second per day by another. It is priced at $10,700 USD and offers 200m water resistance. On balance, reviewers find the Grand Seiko SBGE307 to be a striking timepiece distinguished by its textured dial and sharp case finishing.

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