Glycine Sea KrakenvsSeiko HBC007J1

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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

Seiko HBC007J1 at true scale

HBC007J1

Diameter

39mm

39.5mm

Lug-to-Lug

n/a

46.4mm

Thickness

12.7mm

lowest

13.6mm

Water Resistance

150m

200m

highest

Power Reserve

38h

72h

highest

MSRP

$715

lowest

$1,150

Movement

Sellita SW200-1

Seiko 6R54

Case

7 specs
Diameter
39mm
39.5mm
Thickness
12.7mm
13.6mm
Lug-to-Lug
n/a
46.4mm
Lug Width
22mm
20mm
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

5 specs
Caliber
Sellita SW200-1
Seiko 6R54
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
72h
Jewels
26
0
Complications
Date
None

Pricing

1 specs
MSRP
$715
$1,150
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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.

Seiko HBC007J1

Owners widely praise the Seiko HBC007J1's "alive" feel and reflective green dial, with one owner preferring it over a more expensive alternative. The 39.5mm case is noted as a contemporary take on a classic design. Some owners find the 1-12 ring a "purpose nerf," and the included strap is considered underwhelming. Accuracy is rated at -15/+25 seconds per day, and some may prefer a flyer GMT at its $1,150 price point. On balance, owners and reviewers rate the Seiko HBC007J1 well for its vibrant dial and engaging character at the price.