Side by side

Halios Seaforth IVvsZelos Blacktip 200m GMT

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Blacktip 200m GMT
ZelosBlacktip 200m GMT
MSRP $499

At a glance

9 of 29 specs differ
Diameter
Seaforth IV40mm
Blacktip 200m GMT41mm
Power Reserve
Seaforth IV40h
Blacktip 200m GMT40h
Water Resistance
Seaforth IV200m
Blacktip 200m GMT200m
MSRP
Seaforth IV$765
Blacktip 200m GMT$499

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
40mm
41mm
Thickness
12.4mm
13mm
Lug-to-Lug
46.5mm
41mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

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

Movement

1 specs
Caliber
Sellita SW200-2
Seiko NH34 GMT

Pricing

1 specs
MSRP
$765
$499

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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 Blacktip 200m GMT

Owners widely praise the Zelos Blacktip 200m GMT's solid bracelet construction and excellent bezel action. The watch has sold out quickly, indicating strong demand. Overall, owners rate the Zelos Blacktip 200m GMT highly for its robust build and desirable availability.

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