Side by side

Horage Autark K2 Small SecondsvsFormex Reef 39.5 mm

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
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

10 of 29 specs differ
Diameter
Autark K2 Small Seconds39.5mm
Reef 39.5 mm39.5mm
Power Reserve
Autark K2 Small Seconds72h
Reef 39.5 mm56h
Water Resistance
Autark K2 Small Seconds100m
Reef 39.5 mm300m
MSRP
Autark K2 Small Seconds$5,590
Reef 39.5 mm$2,230

Full specifications

Case

5 specs
Category
Dress
Diver
Thickness
8.8mm
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
Black
Bahama Blue

Movement

2 specs
Caliber
Horage K2
Sellita SW300-1
Power Reserve
72h
56h

Pricing

1 specs
MSRP
$5,590
$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 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.

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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