Which is cheaper, the Omologato 2-Subdial Chrono or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

At MSRP the Omologato 2-Subdial Chrono is the cheaper of the two at $738, against $1,350 for the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition — a $612 gap before any retailer discounting.

Which is bigger, the Omologato 2-Subdial Chrono or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition wears larger at 42.7mm versus 41mm for the Omologato 2-Subdial Chrono — a 1.7mm difference across the dial.

Which has better water resistance, the Omologato 2-Subdial Chrono or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition is rated to 200m versus 100m for the Omologato 2-Subdial Chrono.

What movement does the Omologato 2-Subdial Chrono run compared to the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Omologato 2-Subdial Chrono runs a mecaquartz caliber (Seiko VK64), while the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition runs a automatic (6R35).

Side by side

Omologato 2-Subdial ChronovsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

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

Add a watch

Omologato 2-Subdial Chrono

MSRP $738

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

spb301j1

MSRP $1,350

At a glance

15 of 29 specs differ

Diameter

2-Subdial Chrono41mm

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm

Power Reserve

2-Subdial Chrono—

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h

Water Resistance

2-Subdial Chrono100m

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m

MSRP

2-Subdial Chrono$738

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Antique

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Seiko VK64

6R35

Type

Mecaquartz

Automatic

Power Reserve

—

70h

Jewels

Pricing

1 specs

MSRP

$738

$1,350

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At a glance

Full specifications

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