Side by side

Horage Autark K2 Small SecondsvsGrand Seiko SBGA427

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 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 SBGA427

Grand Seiko SBGA427 owners widely praise its extensive Zaratsu polishing and the "hall of mirrors" effect created by its diamond-cut indexes, complemented by a subtle, reeded dial and a striking green seconds hand. The 39mm case is noted for its comfortable, tapered bracelet, and the 9R65 Spring Drive movement is visible through the caseback. Some owners report the highly polished Zaratsu finish is prone to scuffs and scratches, with one mentioning a scratch near 1 o'clock. The Grand Seiko SBGA427 sold for $3750. Overall, owners rate the Grand Seiko SBGA427 highly for its exceptional finishing and the unique visual appeal of its dial and indexes.

At a glance

11 of 29 specs differ
Diameter
Autark K2 Small Seconds39.5mm
SBGA42739mm
Power Reserve
Autark K2 Small Seconds72h
SBGA42772h
Water Resistance
Autark K2 Small Seconds100m
SBGA427100m
MSRP
Autark K2 Small Seconds$5,590
SBGA427$5,800

Full specifications

Case

5 specs
Diameter
39.5mm
39mm
Thickness
8.8mm
12.3mm
Lug-to-Lug
48.3mm
46.8mm
Lug Width
22mm
19mm
Material
Titanium
Stainless Steel

Crystal & Dial

2 specs
AR Coating
No
Yes
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Horage K2
9R65
Type
Automatic
Spring Drive
Power Reserve
72h
72h

Pricing

1 specs
MSRP
$5,590
$5,800
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.

Follow this matchup

Get a note when Horage Autark K2 Small Seconds vs Grand Seiko SBGA427 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.