Side by side

Glycine Sea KrakenvsSeiko Prospex Land Mechanical GMT

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

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.

Seiko Prospex Land Mechanical GMT

Owners widely praise the Seiko Prospex Land Mechanical GMT for its faithful reconstruction of a classic design, comfortable bracelet, and attractive gray dial with a bubbly crystal. Reviewers highlight its handsome everyday sports watch appeal, solid specifications, and classic Seiko diver aesthetics, offering great value. However, community members are divided on the 6R movement's accuracy, with some reporting significant deviations even after regulation, while others find it competitive for the price. A point of contention is the GMT function, with some wishing for a "flyer" style local jump GMT instead of the "caller" type, and the internal compass bezel is described as finicky and difficult to read. Owners generally consider the Seiko Prospex Land Mechanical GMT overpriced at its retail price, suggesting better value is found on sale or closer to $700.

At a glance

19 of 29 specs differ
Diameter
Sea Kraken39mm
Prospex Land Mechanical GMT39.5mm
Power Reserve
Sea Kraken38h
Prospex Land Mechanical GMT72h
Water Resistance
Sea Kraken150m
Prospex Land Mechanical GMT200m
MSRP
Sea Kraken$1,600
Prospex Land Mechanical GMT$1,150

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
39mm
39.5mm
Thickness
12.7mm
13.6mm
Lug-to-Lug
46.4mm
Lug Width
22mm
20mm
Finish
Water Resistance
150m
200m
Caseback

Crystal & Dial

5 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
White
Indices
Lume
Luminous
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Sellita SW200-1
6R54
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
72h
Jewels
26
24
Complications
Date
None

Pricing

1 specs
MSRP
$1,600
$1,150
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