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

At MSRP the Vaer D4 Outerknown Solar Diver is the cheaper of the two at $549, against $1,500 for the Seiko Prospex Sea — a $951 gap before any retailer discounting.

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

The Seiko Prospex Sea wears larger at 43.5mm versus 39mm for the Vaer D4 Outerknown Solar Diver — a 4.5mm difference across the dial.

Which has a longer power reserve, the Seiko Prospex Sea or the Vaer D4 Outerknown Solar Diver?

The Seiko Prospex Sea carries a 70-hour power reserve against 40 hours on the Vaer D4 Outerknown Solar Diver.

What movement does the Seiko Prospex Sea run compared to the Vaer D4 Outerknown Solar Diver?

The Seiko Prospex Sea runs a automatic caliber (6R35), while the Vaer D4 Outerknown Solar Diver runs a quartz.

Side by side

Seiko Prospex SeavsVaer D4 Outerknown Solar Diver

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

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Seiko Prospex Sea

spb349j1

MSRP $1,500

Vaer D4 Outerknown Solar Diver

d4-outerknown-usa-solar-diver-marine

MSRP $549

At a glance

14 of 29 specs differ

Diameter

Prospex Sea43.5mm

D4 Outerknown Solar Diver39mm

Power Reserve

Prospex Sea70h

D4 Outerknown Solar Diver40h

Water Resistance

Prospex Sea200m

D4 Outerknown Solar Diver200m

MSRP

Prospex Sea$1,500

D4 Outerknown Solar Diver$549

Full specifications

Case

5 specs

Diameter

43.5mm

39mm

Thickness

13.3mm

13.18mm

Lug-to-Lug

51mm

46mm

Lug Width

22mm

20mm

Material

Titanium

316L Stainless Steel

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

Blue

Lume

LumiBrite on hands and index(es)

None

Movement

4 specs

Caliber

6R35

—

Type

Automatic

Quartz

Power Reserve

70h

40h

Jewels

Pricing

1 specs

MSRP

$1,500

$549

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Seiko Prospex SeavsVaer D4 Outerknown Solar Diver

At a glance

Full specifications

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