Side by side

Halios Seaforth IVvsLinde Werdelin Oktopus Moon

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

Seaforth IV
HaliosSeaforth IV
MSRP $765
Oktopus Moon
Linde WerdelinOktopus Moon
MSRP $19,048

At a glance

11 of 29 specs differ
Diameter
Seaforth IV40mm
Oktopus Moon44mm
Power Reserve
Seaforth IV40h
Oktopus Moon44h
Water Resistance
Seaforth IV200m
Oktopus Moon300m
MSRP
Seaforth IV$765
Oktopus Moon$19,048

Full specifications

Case

5 specs
Category
Diver
complication
Diameter
40mm
44mm
Thickness
12.4mm
15mm
Lug-to-Lug
46.5mm
46mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
Sellita SW200-2
Power Reserve
40h
44h

Pricing

1 specs
MSRP
$765
$19,048

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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.

Linde Werdelin Oktopus Moon

The Linde Werdelin Oktopus Moon 3DTP is noted for its exceptionally light 60-gram weight due to its proprietary carbon-fiber case, making its 44mm+ size comfortable and wearable. Reviewers highlight its unique, bold aesthetic with a skeletonized dial and a clearer, more graphic moonphase display. The watch is powered by a bespoke LW caliber with a 42-hour power reserve. Some legibility issues are flagged, particularly with the moonphase, and the recessed crown may be difficult to operate. Overall, owners and reviewers find the Linde Werdelin Oktopus Moon 3DTP to be a uniquely bold and surprisingly wearable timepiece, primarily due to its innovative lightweight construction and striking skeletonized design.

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