Side by side

Horage DecafluxvsHalios Seaforth IV

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

Decaflux
HorageDecaflux
MSRP $3,080
Seaforth IV
HaliosSeaforth IV
MSRP $765

At a glance

11 of 29 specs differ
Diameter
Decaflux40mm
Seaforth IV40mm
Power Reserve
Decaflux40h
Seaforth IV40h
Water Resistance
Decaflux100m
Seaforth IV200m
MSRP
Decaflux$3,080
Seaforth IV$765

Full specifications

Case

5 specs
Category
Dress
Diver
Thickness
9.98mm
12.4mm
Lug-to-Lug
46mm
46.5mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal
Sapphire
Sapphire (double-domed)
AR Coating
No
Inner
Dial Color
Black
Blue
Lume
Super-LumiNova
None

Movement

1 specs
Caliber
Horage K3
Sellita SW200-2

Pricing

1 specs
MSRP
$3,080
$765

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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 Decaflux

The Horage Decaflux is praised for its innovative in-house K3 movement, featuring a silicon escapement and a 96-hour power reserve, along with chronometer certification and a slim 9.98mm profile. Reviewers note its tinted sapphire crystal, lightning bolt seconds hand, and bracelet with an integrated vibe and thin clasp. The watch is priced at CHF 2,750, with preorder pricing at CHF 2,500, representing a strong value for an in-house Swiss movement. Some reviewers find the lightning bolt seconds hand slightly too wide and note a direct design homage to the Rolex Milgauss. On balance, reviewers rate the Horage Decaflux highly for its technical innovation and value proposition at its price point.

Halios Seaforth IV

Owners widely praise the Halios Sunburst Blue for its perfect 40mm size, stunning sunburst dial, and excellent lume, with one owner calling it Halios's best effort and a potential "Omega AT killer." The ETA 2824 movement is noted as running smoothly, and the watch is considered a great value with strong resale. Some owners desire larger sizes or different dial colors, and one reviewer found the Sinn 556i more versatile. The sapphire bezel is described as tall and flat, which is a point of contention for some. Overall, owners rate the Halios Sunburst Blue highly for its design, size, and value.

From video reviewers

The sunburst blue dial is a standout feature. Limited water resistance is a shared concern.

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