Which is cheaper, the Praesidus 38mm Automatic or the Seiko Prospex Sea Save the Ocean Special Edition?

At MSRP the Seiko Prospex Sea Save the Ocean Special Edition is the cheaper of the two at $550, against $680 for the Praesidus 38mm Automatic — a $130 gap before any retailer discounting.

Which is bigger, the Praesidus 38mm Automatic or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition wears larger at 42.4mm versus 38mm for the Praesidus 38mm Automatic — a 4.4mm difference across the dial.

Which has better water resistance, the Praesidus 38mm Automatic or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition is rated to 200m versus 100m for the Praesidus 38mm Automatic.

Which has a longer power reserve, the Praesidus 38mm Automatic or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition carries a 41-hour power reserve against 40 hours on the Praesidus 38mm Automatic.

What movement does the Praesidus 38mm Automatic run compared to the Seiko Prospex Sea Save the Ocean Special Edition?

Both watches run automatic movements — the Praesidus 38mm Automatic uses the NH35 and the Seiko Prospex Sea Save the Ocean Special Edition uses the Seiko 4R36.

Side by side

Praesidus 38mm AutomaticvsSeiko Prospex Sea Save the Ocean Special Edition

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

Add a watch

Praesidus 38mm Automatic

P-38-HP-GRSG

MSRP $680

See the full 38mm Automatic

Seiko Prospex Sea Save the Ocean Special Edition

srpg57

MSRP $550

See the full Prospex Sea Save the Ocean Special Edition

At a glance

14 of 29 specs differ

Diameter

38mm Automatic38mm

Prospex Sea Save the Ocean Special Edition42.4mm

Power Reserve

38mm Automatic40h

Prospex Sea Save the Ocean Special Edition41h

Water Resistance

38mm Automatic100m

Prospex Sea Save the Ocean Special Edition200m

MSRP

38mm Automatic$680

Prospex Sea Save the Ocean Special Edition$550

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

Dial Color

38mm Automatic

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

NH35

Seiko 4R36

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$680

$550

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.

Spinnakermicro

Follow this matchup

Get a note when Praesidus 38mm Automatic vs Seiko Prospex Sea Save the Ocean Special Edition gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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

BOLDR x ArtStoryvsSeiko Prospex Sea Save the Ocean Special Edition Boldr RangervsSeiko Prospex Sea Save the Ocean Special Edition Boldr MarinevsSeiko Prospex Sea Save the Ocean Special Edition Islander Mitchel Black DLC Automatic Field Watch with Luminous Dial, AR Sapphire Crystal #ISL-83vsSeiko Prospex Sea Save the Ocean Special Edition Praesidus 38mm AutomaticvsZelos Swordfish 3 Praesidus 38mm AutomaticvsBorealis Watch Co. Jamanta

Edit this comparison Add another watch Explore more 37–44mm watches

Praesidus 38mm AutomaticvsSeiko Prospex Sea Save the Ocean Special Edition

At a glance

Full specifications

More watches worth a look

Hull California (Olive Oyl Red)

Jamanta

BOLDR x ArtStory

Caloura 300m

Dasein

Eudaimonia

Tesei Titanium

キネティックアートウォッチNo.4

Follow this matchup

People also compared