Which is cheaper, the Knut Gadd Octagon or the Seiko Prospex Sea?

At MSRP the Knut Gadd Octagon is the cheaper of the two at $268, against $795 for the Seiko Prospex Sea — a $527 gap before any retailer discounting.

Which is bigger, the Knut Gadd Octagon or the Seiko Prospex Sea?

The Knut Gadd Octagon wears larger at 35mm versus 34mm for the Seiko Prospex Sea — a 1mm difference across the dial.

Which has better water resistance, the Knut Gadd Octagon or the Seiko Prospex Sea?

The Knut Gadd Octagon is rated to 50m versus 20m for the Seiko Prospex Sea.

What movement does the Knut Gadd Octagon run compared to the Seiko Prospex Sea?

Both watches run quartz movements — the Knut Gadd Octagon uses the K02005 and the Seiko Prospex Sea uses the 6N01.

Side by side

Knut Gadd OctagonvsSeiko Prospex Sea

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

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Knut Gadd Octagon

octagon-steel-white-stainless-steel

MSRP $268

Seiko Prospex Sea

sur595j1

MSRP $795

At a glance

12 of 29 specs differ

Diameter

Octagon35mm

Prospex Sea34mm

Power Reserve

Octagon40h

Prospex Sea40h

Water Resistance

Octagon50m

Prospex Sea200m

MSRP

Octagon$268

Prospex Sea$795

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

Mineral

Sapphire

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

—

Black

Lume

None

LumiBrite on hands and index(es)

Movement

1 specs

Caliber

K02005

6N01

Pricing

1 specs

MSRP

$268

$795

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Knut Gadd OctagonvsSeiko Prospex Sea

At a glance

Full specifications

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