Which is cheaper, the Geckota Phalanx or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

At MSRP the Geckota Phalanx is the cheaper of the two at $349, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $2,951 gap before any retailer discounting.

Which is bigger, the Geckota Phalanx or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition wears larger at 44mm versus 42mm for the Geckota Phalanx — a 2mm difference across the dial.

Which has better water resistance, the Geckota Phalanx or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Geckota Phalanx is rated to 300m versus 200m for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition.

Which has a longer power reserve, the Geckota Phalanx or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition carries a 50-hour power reserve against 40 hours on the Geckota Phalanx.

What movement does the Geckota Phalanx run compared to the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

Both watches run automatic movements — the Geckota Phalanx uses the ETA 2824 and the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35.

Side by side

Geckota PhalanxvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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 Sea 1970 Heritage Diver's Black Series Limited Edition

sla061j1

MSRP $3,300

At a glance

14 of 29 specs differ

Diameter

Phalanx42mm

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Power Reserve

Phalanx40h

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Water Resistance

Phalanx300m

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

MSRP

Phalanx$349

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

6 specs

Diameter

42mm

44mm

Thickness

13.9mm

13mm

Lug-to-Lug

—

49.3mm

Lug Width

—

20mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

300m

200m

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

8L35

Power Reserve

40h

50h

Jewels

Pricing

1 specs

MSRP

$349

$3,300

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