Glycine Sea KrakenvsHéron Watches Mirabel GMT

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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

Héron Watches Mirabel GMT at true scale

Mirabel GMT

Diameter

39mm

37.5mm

Thickness

12.7mm

10mm

lowest

Water Resistance

150m

highest

50m

Power Reserve

38h

n/a

MSRP

$715

$690

lowest

Movement

Sellita SW200-1

Miyota 9075

Case

8 specs
Category
Diver
GMT
Diameter
39mm
37.5mm
Thickness
12.7mm
10mm
Lug-to-Lug
n/a
n/a
Lug Width
22mm
20mm
Finish
n/a
n/a
Water Resistance
150m
50m
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
Miyota 9075
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
0h
Jewels
26
0
Complications
Date
None

Pricing

1 specs
MSRP
$715
$690
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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.

Héron Watches Mirabel GMT

The Héron Mirabel GMT is praised for its vintage-inspired design and the inclusion of a true GMT complication via the Miyota 9075 movement, all at a US$690 price point. Owners and reviewers highlight its attractive design, comfortable 37.5mm case size, and good build quality, with some noting decadent touches like an enameled dial and heat-blued hands. Some dial and hand combinations can suffer from legibility issues, and the watch omits lume entirely. One owner finds the bezel feels too large for the watch's proportions. On balance, owners and reviewers rate the Héron Mirabel GMT highly for its successful blend of vintage aesthetics and modern GMT functionality at an accessible price.