Side by side

Halios Seaforth IVvsLum-Tec Solar Marine

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Solar Marine
Lum-TecSolar Marine
MSRP $463

At a glance

9 of 29 specs differ
Diameter
Seaforth IV40mm
Solar Marine39mm
Power Reserve
Seaforth IV40h
Solar Marine40h
Water Resistance
Seaforth IV200m
Solar Marine300m
MSRP
Seaforth IV$765
Solar Marine$463

Full specifications

Case

5 specs
Diameter
40mm
39mm
Thickness
12.4mm
10.7mm
Lug-to-Lug
46.5mm
43.5mm
Material
Titanium
316L Stainless Steel (DLC coated)
Water Resistance
200m
300m

Crystal & Dial

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

Movement

1 specs
Caliber
Sellita SW200-2

Pricing

1 specs
MSRP
$765
$463

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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.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

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