Side by side

Halios Seaforth IVvsOak & Oscar The Olmsted 38

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.

Oak & Oscar The Olmsted 38

Oak & Oscar The Olmsted 38 is praised for its sharp, stealthy aesthetic with a durable ceramic-coated stainless steel case and a clean, no-date dial. Reviewers highlight its excellent wearability at 38mm and the value proposition at $1,475, which includes two strap options. The watch features a sandwich dial with stencil numerals and orange accents, powered by a modified ETA 2892-A2 movement. Overall, reviewers find Oak & Oscar The Olmsted 38 to be a modern and aggressive take on the classic field watch, offering exceptional value.

From video reviewers

The Olmsted 38 features tightly executed tolerances and an ultra-fine level of finishing. Reviewers did not reach a consensus on any weaknesses. Reviewers did not explicitly disagree on any points.

At a glance

18 of 29 specs differ
Diameter
Seaforth IV40mm
The Olmsted 3838mm
Power Reserve
Seaforth IV
The Olmsted 3842h
Water Resistance
Seaforth IV200m
The Olmsted 38100m
MSRP
Seaforth IV$765
The Olmsted 38$1,775

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
40mm
38mm
Thickness
12.4mm
10.8mm
Lug-to-Lug
46.5mm
44.9mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
100m
Caseback
Solid screw-down

Crystal & Dial

6 specs
Crystal
Sapphire (double-domed)
Sapphire
Crystal Shape
Double-domed
AR Coating
Underside
Dial Color
Blue
Green
Indices
Applied
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
Sellita SW200-1
Sellita SW300-1
Beat Rate
0 vph
4 vph
Power Reserve
0h
42h
Complications
None
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$765
$1,775
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