Side by side

Halios Seaforth IVvsWolbrook Douglas Grand Prix Racing

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Douglas Grand Prix Racing
WolbrookDouglas Grand Prix Racing
MSRP $442

At a glance

9 of 29 specs differ
Diameter
Seaforth IV40mm
Douglas Grand Prix Racing40mm
Power Reserve
Seaforth IV40h
Douglas Grand Prix Racing40h
Water Resistance
Seaforth IV200m
Douglas Grand Prix Racing100m
MSRP
Seaforth IV$765
Douglas Grand Prix Racing$442

Full specifications

Case

5 specs
Category
Diver
Racing
Thickness
12.4mm
13mm
Lug-to-Lug
46.5mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

1 specs
Caliber
Sellita SW200-2
Miyota 8315

Pricing

1 specs
MSRP
$765
$442

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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.

Wolbrook Douglas Grand Prix Racing

The Wolbrook Douglas Grand Prix Racing features a Hesalite box crystal, a roulette date wheel, and a 40mm steel case. Owners note it is powered by a Miyota 8315 movement with a 60-hour power reserve, regulated to within ±15 seconds per day. One owner points out that an earlier iteration of the movement did not hack and had a 42-hour power reserve. On balance, owners appreciate the Hesalite crystal and roulette date wheel at its $275 price point.

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