Side by side

Glycine Sea KrakenvsHalios Seaforth IV

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

Sea Kraken
GlycineSea Kraken
MSRP $1,600
Seaforth IV
HaliosSeaforth IV
MSRP $765

At a glance

19 of 29 specs differ
Diameter
Sea Kraken39mm
Seaforth IV40mm
Power Reserve
Sea Kraken38h
Seaforth IV40h
Water Resistance
Sea Kraken150m
Seaforth IV200m
MSRP
Sea Kraken$1,600
Seaforth IV$765

Full specifications

Case

8 specs
Diameter
39mm
40mm
Thickness
12.7mm
12.4mm
Lug-to-Lug
46.5mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
Water Resistance
150m
200m
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Sapphire
Sapphire (double-domed)
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Blue
Indices
Applied
Lume
Luminous
None

Movement

4 specs
Caliber
SW200-1
Sellita SW200-2
Power Reserve
38h
40h
Jewels
26
25
Complications
Date
None

Pricing

1 specs
MSRP
$1,600
$765

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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.

Glycine Sea Kraken

The Glycine Sea Kraken is widely praised for its retro design and excellent case finishing for its price, with reviewers noting crisp dial printing and an elegant stainless steel bezel. Owners report excellent accuracy, with some seeing deviations as low as 1 second per day, though one user observed up to a 6-second loss during high activity. The 39mm size is generally considered comfortable, though its 48mm lug-to-lug measurement may be an issue for smaller wrists. The bezel action is consistently flagged as strong with no back-play. The included leather strap is frequently criticized as unsuitable for a diver and often replaced. On balance, owners and reviewers rate the Glycine Sea Kraken highly for its vintage aesthetic and strong value proposition, particularly given its adjusted Sellita SW200 movement and limited edition status.

From video reviewers

The Glycine Sea Kraken's value at its price point is a significant strength. Reviewers did not reach a consensus on any weaknesses.

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.

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