Which is cheaper, the Marnaut Dark Surge 300 or the Grand Seiko SBGH289?

At MSRP the Marnaut Dark Surge 300 is the cheaper of the two at $1,390, against $7,700 for the Grand Seiko SBGH289 — a $6,310 gap before any retailer discounting.

Which is bigger, the Marnaut Dark Surge 300 or the Grand Seiko SBGH289?

The Grand Seiko SBGH289 wears larger at 43.8mm versus 41mm for the Marnaut Dark Surge 300 — a 2.8mm difference across the dial.

Which has better water resistance, the Marnaut Dark Surge 300 or the Grand Seiko SBGH289?

The Marnaut Dark Surge 300 is rated to 300m versus 200m for the Grand Seiko SBGH289.

Which has a longer power reserve, the Marnaut Dark Surge 300 or the Grand Seiko SBGH289?

The Grand Seiko SBGH289 carries a 55-hour power reserve against 41 hours on the Marnaut Dark Surge 300.

What movement does the Marnaut Dark Surge 300 run compared to the Grand Seiko SBGH289?

Both watches run automatic movements — the Marnaut Dark Surge 300 uses the Sellita SW200-1 and the Grand Seiko SBGH289 uses the 9S85.

Side by side

Marnaut Dark Surge 300vsGrand Seiko SBGH289

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

Grand Seiko SBGH289

sbgh289g

MSRP $7,700

Buy from Marnaut ↗

Buy used on eBay ↗

Buy from Grand Seiko ↗

Buy used on eBay ↗

At a glance

12 of 29 specs differ

Diameter

Dark Surge 30041mm

SBGH28943.8mm

Power Reserve

Dark Surge 30041h

SBGH28955h

Water Resistance

Dark Surge 300300m

SBGH289200m

MSRP

Dark Surge 300$1,390

SBGH289$7,700

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Adriatic

Black

Lume

SuperLuminova C3

None

Movement

2 specs

Caliber

Sellita SW200-1

9S85

Power Reserve

41h

55h

Pricing

1 specs

MSRP

—

$7,700

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Marnaut Dark Surge 300vsGrand Seiko SBGH289

At a glance

Full specifications

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