Which is cheaper, the Seiko Prospex Sea or the Vertigo Watches Hippocampus?

At MSRP the Seiko Prospex Sea is the cheaper of the two at $625, against $754 for the Vertigo Watches Hippocampus — a $129 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea or the Vertigo Watches Hippocampus?

The Seiko Prospex Sea wears larger at 43.8mm versus 39mm for the Vertigo Watches Hippocampus — a 4.8mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea or the Vertigo Watches Hippocampus?

The Vertigo Watches Hippocampus is rated to 300m versus 200m for the Seiko Prospex Sea.

What movement does the Seiko Prospex Sea run compared to the Vertigo Watches Hippocampus?

Both watches run automatic movements — the Seiko Prospex Sea uses the Seiko 4R35 and the Vertigo Watches Hippocampus uses the Miyota 9039.

Side by side

Seiko Prospex SeavsVertigo Watches Hippocampus

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

Add a watch

Seiko Prospex Sea

MSRP $625

See the full Prospex Sea

Vertigo Watches Hippocampus

MSRP $754

See the full Hippocampus

Buy from Seiko ↗

Buy used on eBay ↗

Buy from Vertigo Watches ↗

Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

13 of 29 specs differ

Diameter

Prospex Sea43.8mm

Hippocampus39mm

Power Reserve

Prospex Sea41h

Hippocampus—

Water Resistance

Prospex Sea200m

Hippocampus300m

MSRP

Prospex Sea$625

Hippocampus$754

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Anti-reflective coating on inner surface

—

Dial Color

—

Brown

Lume

LumiBrite on hands, index(es) and bezel

Super-LumiNova C3 and BGW9

Movement

3 specs

Caliber

Seiko 4R35

Miyota 9039

Power Reserve

41h

—

Jewels

Pricing

1 specs

MSRP

$625

$754

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Borealis Watch Co.micro

DiscussionNot started

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Spinnaker Hass AutomaticvsVertigo Watches Hippocampus Boldr Odyssey OriginalvsVertigo Watches Hippocampus Tornek-Rayville TR Type 7B BlakjakvsVertigo Watches Hippocampus Zelos SS Damascus LEvsVertigo Watches Hippocampus Baltic Aquascaphe ClassicvsSeiko Prospex Sea Geckota Ocean-Scout Dive WatchvsSeiko Prospex Sea

Edit this comparison Add another watch Explore more 38–45mm watches

Seiko Prospex SeavsVertigo Watches Hippocampus

At a glance

Full specifications

More watches worth a look

Jamanta

Hakusan / Hamana Dial

Tesei Forged Carbon

TYPE D

Fleuss

Slava Ukraini

Great White 43

Model Three Diver

People also compared