Which is cheaper, the Seiko Prospex Land Mechanical or the Stewart Dawson Royal Marines?

At MSRP the Seiko Prospex Land Mechanical is the cheaper of the two at $995, against $1,451 for the Stewart Dawson Royal Marines — a $456 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Land Mechanical or the Stewart Dawson Royal Marines?

The Stewart Dawson Royal Marines wears larger at 42mm versus 39.5mm for the Seiko Prospex Land Mechanical — a 2.5mm difference across the dial.

Which has better water resistance, the Seiko Prospex Land Mechanical or the Stewart Dawson Royal Marines?

The Stewart Dawson Royal Marines is rated to 100m versus 20m for the Seiko Prospex Land Mechanical.

Which has a longer power reserve, the Seiko Prospex Land Mechanical or the Stewart Dawson Royal Marines?

The Seiko Prospex Land Mechanical carries a 72-hour power reserve against 41 hours on the Stewart Dawson Royal Marines.

What movement does the Seiko Prospex Land Mechanical run compared to the Stewart Dawson Royal Marines?

Both watches run automatic movements — the Seiko Prospex Land Mechanical uses the 6R55 and the Stewart Dawson Royal Marines uses the Sellita SW200.

Side by side

Seiko Prospex Land MechanicalvsStewart Dawson Royal Marines

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

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Seiko Prospex Land Mechanical

spb503j1

MSRP $995

Stewart Dawson Royal Marines

royal-marines-green-watch

MSRP $1,451

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Buy from Stewart Dawson ↗

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At a glance

13 of 29 specs differ

Diameter

Prospex Land Mechanical39.5mm

Royal Marines42mm

Power Reserve

Prospex Land Mechanical72h

Royal Marines41h

Water Resistance

Prospex Land Mechanical200m

Royal Marines100m

MSRP

Prospex Land Mechanical$995

Royal Marines$1,451

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

Green

Lume

LumiBrite on hands and index(es)

Super-LumiNova

Movement

3 specs

Caliber

6R55

Sellita SW200

Power Reserve

72h

41h

Jewels

Pricing

1 specs

MSRP

$995

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Seiko Prospex Land MechanicalvsStewart Dawson Royal Marines

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