Side by side

Halios Seaforth IVvsSheffield 1A

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
1A
Sheffield1A
MSRP $223
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.

Sheffield 1A

Owners widely praise the Sheffield 1A for its superb quality, sturdiness, and value, with many finding its blue dial appealing and its construction more substantial than comparable models. One owner noted expensive shipping fees as a drawback, and another suggested the bezel action could be crisper. Overall, owners consider the Sheffield 1A a no-brainer for its affordability and quality.

At a glance

9 of 29 specs differ
Diameter
Seaforth IV40mm
1A40mm
Power Reserve
Seaforth IV40h
1A
Water Resistance
Seaforth IV200m
1A200m
MSRP
Seaforth IV$765
1A$223

Full specifications

Case

3 specs
Thickness
12.4mm
12.8mm
Lug-to-Lug
46.5mm
46mm
Material
Titanium
Stainless Steel

Crystal & Dial

3 specs
Crystal
Sapphire (double-domed)
Sapphire
Dial Color
Blue
White/Blue
Lume
None
Swiss blue lume

Movement

2 specs
Caliber
Sellita SW200-1
NH35
Power Reserve
40h

Pricing

1 specs
MSRP
$765
$223
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