Side by side

Horage Autark Tourbillon GMTvsGrand Seiko SBGE307

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

Autark Tourbillon GMT
HorageAutark Tourbillon GMT
MSRP $20,150
SBGE307
Grand SeikoSBGE307
MSRP $11,500

At a glance

12 of 29 specs differ
Diameter
Autark Tourbillon GMT39.5mm
SBGE30744.5mm
Power Reserve
Autark Tourbillon GMT72h
SBGE30772h
Water Resistance
Autark Tourbillon GMT100m
SBGE307200m
MSRP
Autark Tourbillon GMT$20,150
SBGE307$11,500

Full specifications

Case

5 specs
Diameter
39.5mm
44.5mm
Thickness
8.9mm
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

4 specs
Caliber
Horage K-TMR
9R66
Type
Automatic
Spring Drive
Power Reserve
72h
72h
Complications
Tourbillon, GMT
None

Pricing

1 specs
MSRP
$20,150
$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 Autark Tourbillon GMT

Owners widely praise the Horage Autark Tourbillon GMT for its Swiss-made tourbillon, platinum micro-rotor, and super-thin 9mm titanium case design, noting little less than premium feel in case and movement finishing. The dial features a sub-seconds, date, and power reserve indicator, powered by an in-house movement with a 60-hour reserve. Some find the sub-dial illegible and hour hands difficult to read quickly, while others note the stepped bezel is not to their taste and the micro-rotor can be loud. The bracelet's lack of taper is also flagged as a drawback. On balance, owners rate the Horage Autark Tourbillon GMT highly for its premium finishing and innovative technical features 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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