Which is cheaper, the Marnaut Dark Surge 300 or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

At MSRP the Marnaut Dark Surge 300 is the cheaper of the two at $1,390, against $2,900 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a $1,510 gap before any retailer discounting.

Which is bigger, the Marnaut Dark Surge 300 or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch wears larger at 42.6mm versus 41mm for the Marnaut Dark Surge 300 — a 1.6mm difference across the dial.

Which has a longer power reserve, the Marnaut Dark Surge 300 or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch carries a 50-hour power reserve against 41 hours on the Marnaut Dark Surge 300.

What movement does the Marnaut Dark Surge 300 run compared to the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

Both watches run automatic movements — the Marnaut Dark Surge 300 uses the Sellita SW200-1 and the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch uses the 8L35.

Side by side

Marnaut Dark Surge 300vsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

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

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

sla077j1

MSRP $2,900

At a glance

12 of 29 specs differ

Diameter

Dark Surge 30041mm

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm

Power Reserve

Dark Surge 30041h

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h

Water Resistance

Dark Surge 300300m

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m

MSRP

Dark Surge 300$1,390

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900

Full specifications

Case

4 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Adriatic

Black

Lume

SuperLuminova C3

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

8L35

Power Reserve

41h

50h

Jewels

Pricing

1 specs

MSRP

—

$2,900

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Marnaut Dark Surge 300vsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

At a glance

Full specifications

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