Side by side

Halios Seaforth IVvsSpinnaker Fleuss 40 Automatic

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

8 of 29 specs differ
Diameter
Seaforth IV40mm
Fleuss 40 Automatic40mm
Power Reserve
Seaforth IV40h
Fleuss 40 Automatic40h
Water Resistance
Seaforth IV200m
Fleuss 40 Automatic150m
MSRP
Seaforth IV$765
Fleuss 40 Automatic$450

Full specifications

Case

4 specs
Thickness
12.4mm
11mm
Lug-to-Lug
46.5mm
47mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
150m

Crystal & Dial

2 specs
Crystal
Sapphire (double-domed)
Sapphire
Dial Color
Blue
Coral

Movement

1 specs
Caliber
Sellita SW200-2
SII NH35A

Pricing

1 specs
MSRP
$765
$450

Follow this matchup

Get a note when Halios Seaforth IV vs Spinnaker Fleuss 40 Automatic gets more votes, a community discussion, or a price drop. No account needed.

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 Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.