Side by side

Halios Seaforth IVvsYema Superman Worldtime GMT

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

10 of 29 specs differ
Diameter
Seaforth IV40mm
Superman Worldtime GMT39mm
Power Reserve
Seaforth IV40h
Superman Worldtime GMT40h
Water Resistance
Seaforth IV200m
Superman Worldtime GMT300m
MSRP
Seaforth IV$765
Superman Worldtime GMT$1,549

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
39mm
Thickness
12.4mm
Lug-to-Lug
46.5mm
Material
Titanium
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

2 specs
Crystal
Sapphire (double-domed)
Sapphire
Dial Color
Blue
39mm Automatic

Movement

1 specs
Caliber
Sellita SW200-2

Pricing

1 specs
MSRP
$765
$1,549

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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.

Yema Superman Worldtime GMT

Owners widely praise the Yema Superman Worldtime GMT for its premium feel, unique bezel-lock mechanism, and attractive domed crystal. Some owners note the aluminum bezel insert is less desirable than ceramic and report the bracelet clasp can be stiff or difficult to open. Inconsistent quality control and poor customer service have been flagged by some owners. On balance, owners value the Yema Superman Worldtime GMT for its distinctive features and comfortable wearability.

From video reviewers

The "Coke" bezel and maxi dial are attractive design elements. The in-house automatic GMT movement is a French alternative to pricier GMTs.

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