Which is cheaper, the Marnaut Dark Surge 300 or the Seestern S450 Ocean Star?

At MSRP the Seestern S450 Ocean Star is the cheaper of the two at $299, against $1,390 for the Marnaut Dark Surge 300 — a $1,091 gap before any retailer discounting.

Which is bigger, the Marnaut Dark Surge 300 or the Seestern S450 Ocean Star?

The Marnaut Dark Surge 300 wears larger at 41mm versus 40mm for the Seestern S450 Ocean Star — a 1mm difference across the dial.

Which has better water resistance, the Marnaut Dark Surge 300 or the Seestern S450 Ocean Star?

The Marnaut Dark Surge 300 is rated to 300m versus 100m for the Seestern S450 Ocean Star.

What movement does the Marnaut Dark Surge 300 run compared to the Seestern S450 Ocean Star?

Both watches run automatic movements — the Marnaut Dark Surge 300 uses the Sellita SW200-1 and the Seestern S450 Ocean Star uses the TMI NH35A.

Side by side

Marnaut Dark Surge 300vsSeestern S450 Ocean Star

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

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Marnaut Dark Surge 300

MSRP $1,390

Seestern S450 Ocean Star

S450.WS

MSRP $299

At a glance

13 of 29 specs differ

Diameter

Dark Surge 30041mm

S450 Ocean Star40mm

Power Reserve

Dark Surge 30041h

S450 Ocean Star41h

Water Resistance

Dark Surge 300300m

S450 Ocean Star100m

MSRP

Dark Surge 300$1,390

S450 Ocean Star$299

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Adriatic

White

Lume

SuperLuminova C3

Tritium

Movement

4 specs

Caliber

Sellita SW200-1

TMI NH35A

Beat Rate

28,800 vph

21,600 vph

Jewels

Complications

None

GMT, Date

Pricing

1 specs

MSRP

—

$299

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Marnaut Dark Surge 300vsSeestern S450 Ocean Star

At a glance

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