Which is bigger, the Geckota Phalanx or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition wears larger at 42.6mm versus 42mm for the Geckota Phalanx — a 0.6mm difference across the dial.

Which has a longer power reserve, the Geckota Phalanx or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition carries a 72-hour power reserve against 40 hours on the Geckota Phalanx.

What movement does the Geckota Phalanx run compared to the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition?

Both watches run automatic movements — the Geckota Phalanx uses the ETA 2824 and the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition uses the 8L45.

Side by side

Geckota PhalanxvsSeiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

Q: Which is cheaper, the Geckota Phalanx or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition?

At MSRP the Geckota Phalanx is the cheaper of the two at $349, against $3,900 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition — a $3,551 gap before any retailer discounting.

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

Geckota Phalanx

phalanx-satin-reef-green

MSRP $349

Seiko Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition

hbf002j1

MSRP $3,900

At a glance

13 of 29 specs differ

Diameter

Phalanx42mm

Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm

Power Reserve

Phalanx40h

Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition72h

Water Resistance

Phalanx300m

Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition300m

MSRP

Phalanx$349

Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition$3,900

Full specifications

Case

5 specs

Diameter

42mm

42.6mm

Thickness

13.9mm

14.1mm

Lug-to-Lug

—

49.3mm

Lug Width

—

20mm

Material

316L Stainless Steel

Stainless Steel

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Green

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

ETA 2824

8L45

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$349

$3,900

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