Side by side

Halios Seaforth IVvsZelos Nova 37

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Nova 37
ZelosNova 37
MSRP $899

At a glance

11 of 29 specs differ
Diameter
Seaforth IV40mm
Nova 3737mm
Power Reserve
Seaforth IV40h
Nova 3740h
Water Resistance
Seaforth IV200m
Nova 3750m
MSRP
Seaforth IV$765
Nova 37$899

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
37mm
Thickness
12.4mm
7mm
Lug-to-Lug
46.5mm
37mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

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

Movement

2 specs
Caliber
Sellita SW200-2
ETA 7001
Type
Automatic
Manual

Pricing

1 specs
MSRP
$765
$899

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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 Nova 37

Owners widely praise the Zelos Nova 37's spectacular 37mm dimensions and extremely light, thin wearability. The meteorite dial is frequently highlighted as a captivating feature, though some reviewers suggest simpler indices would improve legibility over the Arabic numerals. The watch is considered a considerable value at $1,999. On balance, owners and reviewers rate the Zelos Nova 37 highly for its excellent dimensions and dial execution at the price.

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