Side by side

Horage Autark Tourbillon GMTvsSpinnaker Dumas GMT

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
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

12 of 29 specs differ
Diameter
Autark Tourbillon GMT39.5mm
Dumas GMT44mm
Power Reserve
Autark Tourbillon GMT72h
Dumas GMT40h
Water Resistance
Autark Tourbillon GMT100m
Dumas GMT300m
MSRP
Autark Tourbillon GMT$20,150
Dumas GMT$399

Full specifications

Case

5 specs
Diameter
39.5mm
44mm
Thickness
8.9mm
15mm
Lug-to-Lug
48.3mm
48mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

3 specs
AR Coating
No
Inner
Dial Color
Black
Blue
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Horage K-TMR
Seiko NH34A
Power Reserve
72h
40h
Complications
Tourbillon, GMT
None

Pricing

1 specs
MSRP
$20,150
$399

Follow this matchup

Get a note when Horage Autark Tourbillon GMT vs Spinnaker Dumas GMT 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 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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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.