Side by side

Halios Seaforth IVvsSpinnaker Dumas Automatic

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

9 of 29 specs differ
Diameter
Seaforth IV40mm
Dumas Automatic44mm
Power Reserve
Seaforth IV40h
Dumas Automatic40h
Water Resistance
Seaforth IV200m
Dumas Automatic300m
MSRP
Seaforth IV$765
Dumas Automatic$239

Full specifications

Case

6 specs
Diameter
40mm
44mm
Thickness
12.4mm
15mm
Lug-to-Lug
46.5mm
48mm
Lug Width
20mm
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

1 specs
Crystal
Sapphire (double-domed)
Sapphire

Movement

1 specs
Caliber
Sellita SW200-2
SII NH35A

Pricing

1 specs
MSRP
$765
$239

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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.

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.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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