Side by side

Halios Seaforth IVvsShiro Kara Daibāzu: Hulk SUB

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

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.

Shiro Kara Daibāzu: Hulk SUB

Owners widely praise the Shiro Kara Daibāzu: Hulk SUB for its dial printing, date wheel, and bezel action. One owner confirmed the watch remained waterproof after five days. However, some owners report minor issues such as a slightly off-centered 12 marker or dissatisfaction with bracelet quality, while another felt the crystal was not the best but still looked great. Overall, owners rate the Shiro Kara Daibāzu: Hulk SUB highly for its strong dial and bezel presentation at the price point.

At a glance

10 of 29 specs differ
Diameter
Seaforth IV40mm
Daibāzu: Hulk SUB40mm
Power Reserve
Seaforth IV
Daibāzu: Hulk SUB41h
Water Resistance
Seaforth IV200m
Daibāzu: Hulk SUB100m
MSRP
Seaforth IV$765
Daibāzu: Hulk SUB$508

Full specifications

Case

5 specs
Category
Diver
Thickness
12.4mm
13.2mm
Lug-to-Lug
46.5mm
48mm
Material
Titanium
904L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Sellita SW200-1
NH35
Power Reserve
0h
41h

Pricing

1 specs
MSRP
$765
$508
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Halios Seaforth IV vs Shiro Kara Daibāzu: Hulk SUB gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.