Geckota PhalanxvsSeiko Prospex Sea 1968 Heritage Diver's 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.

Geckota Phalanx at true scale

Phalanx

Seiko Prospex Sea 1968 Heritage Diver's GMT at true scale

Prospex Sea 1968 Heritage Diver's GMT

Diameter

42mm

42mm

Lug-to-Lug

n/a

48.6mm

Thickness

13.9mm

12.9mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

72h

MSRP

$349

lowest

$1,500

Movement

ETA 2824-2

Seiko 6R54

Case

5 specs
Thickness
13.9mm
12.9mm
Lug-to-Lug
n/a
48.6mm
Lug Width
n/a
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Green
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
ETA 2824-2
Seiko 6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$349
$1,500
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Geckota Phalanx

Owners widely report good fit and finish on the Geckota Phalanx, with quality straps and nice design details. Some owners debate the value proposition for the ETA 2824-2 movement at the original price, though quality is not a concern. One reviewer found the flat crystal and bezel, mismatched lume pip, and uninspiring lume quality detracted from its appeal. Overall, owners rate the Geckota Phalanx highly for its build quality and value, particularly when found on sale.

From video reviewers

The Phalanx pairs a proven ETA 2824-2 movement with robust military-grade durability, enduring rigorous stress testing and field conditions without compromise. Its matte finish and tactical aesthetic deliver premium perceived quality at a competitive price point for a 300m dive watch with Mil-Spec credentials.

Seiko Prospex Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and value, with owners noting its comfortable wearability and attractive aesthetic, particularly the silver/white sunray dial and blue ceramic bezel. The improved bracelet clasp with excellent micro-adjustment is a recurring positive point. Some owners report accuracy figures of +3 seconds per day or +/- 5 seconds per day, exceeding the movement's stated range. However, the GMT functionality is considered secondary to its dive watch capabilities by some, with the GMT scale being difficult to read and the caller-style GMT movement being a drawback for certain users. The dial contrast is also noted as lacking by some, and the crown at 4 o'clock is undesirable for a few. On balance, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT highly for its blend of dive watch character and GMT functionality, offering significant features for its price.

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