Glycine Sea KrakenvsWren Diver One Aqua

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Glycine Sea Kraken at true scale

Sea Kraken

Wren Diver One Aqua at true scale

Diver One Aqua

Diameter

39mm

41mm

Lug-to-Lug

n/a

47mm

Thickness

12.7mm

lowest

13.3mm

Water Resistance

150m

200m

highest

Power Reserve

38h

38h

MSRP

$715

lowest

$965

Movement

Sellita SW200-1

Sellita SW200-1

Case

8 specs
Diameter
39mm
41mm
Thickness
12.7mm
13.3mm
Lug-to-Lug
n/a
47mm
Lug Width
22mm
n/a
Material
Stainless Steel
steel
Finish
n/a
n/a
Water Resistance
150m
200m
Caseback
n/a
n/a

Crystal & Dial

5 specs
Crystal Shape
n/a
n/a
AR Coating
n/a
n/a
Dial Color
White
n/a
Indices
n/a
n/a
Lume
Luminous
None

Movement

3 specs
Beat Rate
28,800 vph
0 vph
Jewels
26
0
Complications
Date
None

Pricing

1 specs
MSRP
$715
$965
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Reviews

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 finishing for its price point. Owners highlight its crisp dial printing, elegant stainless steel bezel, and the smooth winding feel of its Sellita SW200-1 movement, with accuracy reported between +1/+2 and +6 seconds per day, though one owner noted it could lose up to 6 seconds when very active. The 39mm case size is generally considered comfortable, though some find its 48mm lug-to-lug measurement wears larger than expected. The included leather strap is frequently criticized as being of poor quality and unsuitable for a dive watch, prompting many owners to replace it. The Glycine Sea Kraken is considered an underrated watch offering great value, especially given its limited production and superior finishing compared to other Glycine models.

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.

Wren Diver One Aqua

The sandwich dial with box crystal delivers a distinct vintage aesthetic that stands out at the price point. The flat-link bracelet completes the classic diver design. Reviewers noted the bezel action as a notable comparison point against competitors.