Side by side

Glycine Sea KrakenvsFormex Reef 39.5 mm

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

Sea Kraken
GlycineSea Kraken
MSRP $1,600
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

16 of 29 specs differ
Diameter
Sea Kraken39mm
Reef 39.5 mm39.5mm
Power Reserve
Sea Kraken38h
Reef 39.5 mm56h
Water Resistance
Sea Kraken150m
Reef 39.5 mm300m
MSRP
Sea Kraken$1,600
Reef 39.5 mm$2,230

Full specifications

Case

6 specs
Diameter
39mm
39.5mm
Thickness
12.7mm
11mm
Lug-to-Lug
45.5mm
Finish
Brushed and polished
Water Resistance
150m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Bahama Blue
Indices
Applied
Lume
Luminous
Super-LumiNova

Movement

4 specs
Caliber
SW200-1
Sellita SW300-1
Power Reserve
38h
56h
Jewels
26
25
Complications
Date
None

Pricing

1 specs
MSRP
$1,600
$2,230

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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.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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