Side by side

Horage Autark K2 Small SecondsvsRZE Fortitude GMT

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
Fortitude GMT
RZEFortitude GMT
MSRP $719

At a glance

14 of 29 specs differ
Diameter
Autark K2 Small Seconds39.5mm
Fortitude GMT41mm
Power Reserve
Autark K2 Small Seconds72h
Fortitude GMT40h
Water Resistance
Autark K2 Small Seconds100m
Fortitude GMT200m
MSRP
Autark K2 Small Seconds$5,590
Fortitude GMT$719

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
39.5mm
41mm
Thickness
8.8mm
12mm
Lug-to-Lug
48.3mm
47mm
Lug Width
22mm
20mm
Material
Titanium
Grade 5 Titanium
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
No
Underside
Dial Color
Black
Red
Lume
Super-LumiNova
Super-LumiNova BGW9

Movement

3 specs
Caliber
Horage K2
Miyota 9075
Power Reserve
72h
40h
Complications
None
GMT

Pricing

1 specs
MSRP
$5,590
$719

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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 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.

RZE Fortitude GMT

The RZE Fortitude GMT is widely praised for its lightweight titanium construction and durable UltraHex coating, offering exceptional value under $700. Owners and reviewers highlight its comfortable wearability, with a bracelet featuring a quick-adjust clasp and multiple micro-adjustment positions. The Miyota 9075 flyer GMT movement is noted for its accuracy, with one owner reporting -1 to +1 seconds per day, though another source states a range of -10/+30 seconds per day. The watch's design is appreciated for its soul and attention to detail, including a subtle red crown tube indicator and faceted lugs, and its Nimbus Grey dial features a coarse, sandpaper-like texture and fumé effect. A reviewer points out the rotor can be loud and a smaller screwdriver is needed for sizing, while an owner found the GMT hand lume confusing. Overall, owners and reviewers rate the RZE Fortitude GMT highly for its comfortable titanium build, durable coating, and excellent value.

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