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

At MSRP the Citizen Promaster Sikorsky is the cheaper of the two at $469, against $549 for the Vaer D4 Outerknown Solar Diver — a $80 gap before any retailer discounting.

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

The Citizen Promaster Sikorsky wears larger at 42.4mm versus 39mm for the Vaer D4 Outerknown Solar Diver — a 3.4mm difference across the dial.

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

The Citizen Promaster Sikorsky runs a solar caliber (B877), while the Vaer D4 Outerknown Solar Diver runs a quartz.

Side by side

Citizen Promaster SikorskyvsVaer D4 Outerknown Solar Diver

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

Citizen Promaster Sikorsky

BJ7004

MSRP $469

Vaer D4 Outerknown Solar Diver

d4-outerknown-usa-solar-diver-marine

MSRP $549

At a glance

10 of 29 specs differ

Diameter

Promaster Sikorsky42.4mm

D4 Outerknown Solar Diver39mm

Power Reserve

Promaster Sikorsky40h

D4 Outerknown Solar Diver40h

Water Resistance

Promaster Sikorsky200m

D4 Outerknown Solar Diver200m

MSRP

Promaster Sikorsky$469

D4 Outerknown Solar Diver$549

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Mineral

Domed Sapphire

Dial Color

Grey

Blue

Movement

2 specs

Caliber

B877

—

Type

Solar

Quartz

Pricing

1 specs

MSRP

$469

$549

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