Which is cheaper, the Seiko Prospex SPEEDTIMER or the Vaer D4 Outerknown Solar Diver?

At MSRP the Vaer D4 Outerknown Solar Diver is the cheaper of the two at $549, against $750 for the Seiko Prospex SPEEDTIMER — a $201 gap before any retailer discounting.

Which is bigger, the Seiko Prospex SPEEDTIMER or the Vaer D4 Outerknown Solar Diver?

The Seiko Prospex SPEEDTIMER wears larger at 41.4mm versus 39mm for the Vaer D4 Outerknown Solar Diver — a 2.4mm difference across the dial.

Which has better water resistance, the Seiko Prospex SPEEDTIMER or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver is rated to 200m versus 10m for the Seiko Prospex SPEEDTIMER.

Side by side

Seiko Prospex SPEEDTIMERvsVaer D4 Outerknown Solar Diver

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

Seiko Prospex SPEEDTIMER

ssc911

MSRP $750

Vaer D4 Outerknown Solar Diver

d4-outerknown-usa-solar-diver-marine

MSRP $549

At a glance

14 of 29 specs differ

Diameter

Prospex SPEEDTIMER41.4mm

D4 Outerknown Solar Diver39mm

Power Reserve

Prospex SPEEDTIMER40h

D4 Outerknown Solar Diver40h

Water Resistance

Prospex SPEEDTIMER100m

D4 Outerknown Solar Diver200m

MSRP

Prospex SPEEDTIMER$750

D4 Outerknown Solar Diver$549

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

Blue

Lume

LumiBrite on hands and index(es)

None

Movement

1 specs

Caliber

V192

—

Pricing

1 specs

MSRP

$750

$549

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