Side by side

Halios Seaforth IVvsZelos Swordfish Field 38

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Swordfish Field 38
ZelosSwordfish Field 38
MSRP $399

At a glance

9 of 29 specs differ
Diameter
Seaforth IV40mm
Swordfish Field 3838mm
Power Reserve
Seaforth IV40h
Swordfish Field 3840h
Water Resistance
Seaforth IV200m
Swordfish Field 38200m
MSRP
Seaforth IV$765
Swordfish Field 38$399

Full specifications

Case

5 specs
Category
Diver
Field
Diameter
40mm
38mm
Thickness
12.4mm
12mm
Lug-to-Lug
46.5mm
38mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

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

Movement

1 specs
Caliber
Sellita SW200-2
Seiko NH35

Pricing

1 specs
MSRP
$765
$399

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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.

Zelos Swordfish Field 38

Owners widely praise the Zelos Swordfish Field 38 for its comfortable dimensions, noting they are acceptable both on paper and in practice. The Seiko NH35 movement is highlighted for its exceptionally smooth winding feel. On balance, owners rate the Zelos Swordfish Field 38 highly for its value and comfortable wearability.

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