Which is cheaper, the Citizen Promaster Diver or the Vaer D4 Outerknown Solar Diver?

At MSRP the Citizen Promaster Diver is the cheaper of the two at $319, against $549 for the Vaer D4 Outerknown Solar Diver — a $230 gap before any retailer discounting.

Which is bigger, the Citizen Promaster Diver or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver wears larger at 39mm versus 36.5mm for the Citizen Promaster Diver — a 2.5mm difference across the dial.

What movement does the Citizen Promaster Diver run compared to the Vaer D4 Outerknown Solar Diver?

The Citizen Promaster Diver runs a solar caliber (E168), while the Vaer D4 Outerknown Solar Diver runs a quartz.

Side by side

Citizen Promaster DivervsVaer D4 Outerknown Solar Diver

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

Citizen Promaster Diver

EO2022

MSRP $319

Vaer D4 Outerknown Solar Diver

d4-outerknown-usa-solar-diver-marine

MSRP $549

At a glance

8 of 29 specs differ

Diameter

Promaster Diver36.5mm

D4 Outerknown Solar Diver39mm

Power Reserve

Promaster Diver40h

D4 Outerknown Solar Diver40h

Water Resistance

Promaster Diver200m

D4 Outerknown Solar Diver200m

MSRP

Promaster Diver$319

D4 Outerknown Solar Diver$549

Full specifications

Case

3 specs

Diameter

36.5mm

39mm

Thickness

12mm

13.18mm

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

2 specs

Crystal

Mineral

Domed Sapphire

Dial Color

White

Blue

Movement

2 specs

Caliber

E168

—

Type

Solar

Quartz

Pricing

1 specs

MSRP

$319

$549

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