Side by side

Glycine Sea KrakenvsZelos Helica Moonphase

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

Sea Kraken
GlycineSea Kraken
MSRP $1,600
Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

18 of 29 specs differ
Diameter
Sea Kraken39mm
Helica Moonphase39mm
Power Reserve
Sea Kraken38h
Helica Moonphase40h
Water Resistance
Sea Kraken150m
Helica Moonphase100m
MSRP
Sea Kraken$1,600
Helica Moonphase$1,049

Full specifications

Case

8 specs
Category
Diver
Moonphase
Thickness
12.7mm
10mm
Lug-to-Lug
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
150m
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Meteorite
Indices
Applied
Lume
Luminous
None

Movement

4 specs
Caliber
SW200-1
Sellita SW288 Moonphase
Power Reserve
38h
40h
Jewels
26
25
Complications
Date
None

Pricing

1 specs
MSRP
$1,600
$1,049

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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.

Zelos Helica Moonphase

Owners widely praise the Zelos Helica Moonphase for its gorgeous aventurine dial, unique industrial-dress aesthetic, and comfortable wearability, with one owner calling it spectacular and another their favorite Zelos. The moonphase complication is frequently highlighted as beautiful, though some find the double moon distracting or the dial cluttered. A manual-wind movement combined with a screw-down crown is noted as a drawback by some, requiring adjustment and potentially feeling fragile when fully wound, while one owner reports a 43-hour power reserve. On balance, owners rate the Zelos Helica Moonphase highly for its stunning aventurine dial and unique design at its price point.

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