Side by side

Horage Autark Tourbillon GMTvsFormex Reef 39.5 mm

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
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

11 of 29 specs differ
Diameter
Autark Tourbillon GMT39.5mm
Reef 39.5 mm39.5mm
Power Reserve
Autark Tourbillon GMT72h
Reef 39.5 mm56h
Water Resistance
Autark Tourbillon GMT100m
Reef 39.5 mm300m
MSRP
Autark Tourbillon GMT$20,150
Reef 39.5 mm$2,230

Full specifications

Case

5 specs
Category
GMT
Diver
Thickness
8.9mm
11mm
Lug-to-Lug
48.3mm
45.5mm
Material
Titanium
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
No
Inner
Dial Color
Meteorite
Bahama Blue

Movement

3 specs
Caliber
Horage K-TMR
Sellita SW300-1
Power Reserve
72h
56h
Complications
Tourbillon, GMT
None

Pricing

1 specs
MSRP
$20,150
$2,230

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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.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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