Side by side

Halios Seaforth IVvsNivada Grenchen Depthmaster

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
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.

Nivada Grenchen Depthmaster

Owners widely report terrific build quality and a feel similar to the 1960s original, with some appreciating its reasonable lug-to-lug and better-than-expected appearance in person. The compact 39mm case is praised for its wearability, especially on smaller wrists, and offers impressive 1,000m water resistance. However, the Soprod P024 movement's 38-hour power reserve is a point of criticism, as is a bezel that can be difficult to grip and weak lume. Some owners find the watch wears on the smaller side, and the date complication is seen by one owner as detracting from the design. The "Pacman" variant is noted as polarizing, with one owner questioning their purchase, while the "Ghost Purple" variant's 30 and 45 numerals are described as having a rushed aesthetic. Overall, owners and reviewers rate the Nivada Grenchen Depthmaster highly for its faithful reissue, impressive water resistance, and comfortable wearability at a competitive price.

At a glance

12 of 29 specs differ
Diameter
Seaforth IV40mm
Depthmaster39mm
Power Reserve
Seaforth IV40h
Depthmaster38h
Water Resistance
Seaforth IV200m
Depthmaster1,000m
MSRP
Seaforth IV$765
Depthmaster$1,050

Full specifications

Case

6 specs
Diameter
40mm
39mm
Thickness
12.4mm
13mm
Lug-to-Lug
46.5mm
39mm
Material
Titanium
Stainless Steel
Water Resistance
200m
1000m
Caseback
Solid
Stainless Steel 316

Crystal & Dial

3 specs
Crystal
Sapphire (double-domed)
Sapphire
Dial Color
Blue
Black
Lume
None
Super-LumiNova

Movement

2 specs
Power Reserve
40h
38h
Complications
None
GMT

Pricing

1 specs
MSRP
$765
$1,050
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