Which is cheaper, the Oceanica Watch Co. Manta Ray Diver or the Seiko Prospex Sea?

At MSRP the Oceanica Watch Co. Manta Ray Diver is the cheaper of the two at $430, against $900 for the Seiko Prospex Sea — a $470 gap before any retailer discounting.

Which is bigger, the Oceanica Watch Co. Manta Ray Diver or the Seiko Prospex Sea?

The Seiko Prospex Sea wears larger at 41mm versus 40mm for the Oceanica Watch Co. Manta Ray Diver — a 1mm difference across the dial.

What movement does the Oceanica Watch Co. Manta Ray Diver run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Oceanica Watch Co. Manta Ray Diver uses the Miyota 9015 and the Seiko Prospex Sea uses the 6R35.

Side by side

Oceanica Watch Co. Manta Ray DivervsSeiko Prospex Sea

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

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Oceanica Watch Co.Manta Ray Diver

MSRP $430

Seiko Prospex Sea

spb317j1

MSRP $900

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Buy from Seiko ↗

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At a glance

12 of 29 specs differ

Diameter

Manta Ray Diver40mm

Prospex Sea41mm

Power Reserve

Manta Ray Diver—

Prospex Sea70h

Water Resistance

Manta Ray Diver200m

Prospex Sea200m

MSRP

Manta Ray Diver$430

Prospex Sea$900

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

BGW9 Swiss

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Miyota 9015

6R35

Power Reserve

—

70h

Jewels

Pricing

1 specs

MSRP

$430

$900

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Oceanica Watch Co. Manta Ray DivervsSeiko Prospex Sea

At a glance

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