Which is cheaper, the Seiko Prospex Sea or the Stewart Dawson 911?

At MSRP the Seiko Prospex Sea is the cheaper of the two at $595, against $1,567 for the Stewart Dawson 911 — a $972 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea or the Stewart Dawson 911?

The Stewart Dawson 911 wears larger at 42.5mm versus 41.7mm for the Seiko Prospex Sea — a 0.8mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea or the Stewart Dawson 911?

The Seiko Prospex Sea is rated to 200m versus 100m for the Stewart Dawson 911.

Which has a longer power reserve, the Seiko Prospex Sea or the Stewart Dawson 911?

The Stewart Dawson 911 carries a 41-hour power reserve against 41 hours on the Seiko Prospex Sea.

What movement does the Seiko Prospex Sea run compared to the Stewart Dawson 911?

Both watches run automatic movements — the Seiko Prospex Sea uses the 4R35 and the Stewart Dawson 911 uses the Sellita SW200.

Side by side

Seiko Prospex SeavsStewart Dawson 911

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

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Seiko Prospex Sea

srpl11

MSRP $595

Stewart Dawson 911

knightsbridge-grey-watch

MSRP $1,567

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At a glance

13 of 29 specs differ

Diameter

Prospex Sea41.7mm

91142.5mm

Power Reserve

Prospex Sea41h

91141h

Water Resistance

Prospex Sea200m

911100m

MSRP

Prospex Sea$595

911$1,567

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Hardlex

Sapphire

Dial Color

Black

Grey

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

4R35

Sellita SW200

Power Reserve

41h

Jewels

Pricing

1 specs

MSRP

$595

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Seiko Prospex SeavsStewart Dawson 911

At a glance

Full specifications

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