Side by side

Horage Autark K2 Small SecondsvsGrand Seiko SBGE307

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

Autark K2 Small Seconds
HorageAutark K2 Small Seconds
MSRP $5,590
SBGE307
Grand SeikoSBGE307
MSRP $11,500

At a glance

12 of 29 specs differ
Diameter
Autark K2 Small Seconds39.5mm
SBGE30744.5mm
Power Reserve
Autark K2 Small Seconds72h
SBGE30772h
Water Resistance
Autark K2 Small Seconds100m
SBGE307200m
MSRP
Autark K2 Small Seconds$5,590
SBGE307$11,500

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
39.5mm
44.5mm
Thickness
8.8mm
14.9mm
Lug-to-Lug
48.3mm
50mm
Lug Width
22mm
23mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
No
Yes
Lume
Super-LumiNova
None

Movement

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

Pricing

1 specs
MSRP
$5,590
$11,500

Follow this matchup

Get a note when Horage Autark K2 Small Seconds vs Grand Seiko SBGE307 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 Autark K2 Small Seconds

Owners and reviewers widely praise Horage's technical capabilities and enthusiast-driven approach, with one owner highlighting the brand's craftsmanship, reliability, and value. The Horage Autark K2 Small Seconds features a Grade 5 titanium case and bracelet praised for being lightweight and comfortable for daily wear, offering 100 meters of water resistance and a 72-hour power reserve. Accuracy is rated within -4/+6 seconds per day. On balance, owners and reviewers rate the Horage Autark K2 Small Seconds highly for its technical innovation and value proposition.

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.

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.