Which is cheaper, the Citizen Promaster Air A-T or the Vaer D4 Outerknown Solar Diver?

At MSRP the Vaer D4 Outerknown Solar Diver is the cheaper of the two at $549, against $581 for the Citizen Promaster Air A-T — a $32 gap before any retailer discounting.

Which is bigger, the Citizen Promaster Air A-T or the Vaer D4 Outerknown Solar Diver?

The Citizen Promaster Air A-T wears larger at 46mm versus 39mm for the Vaer D4 Outerknown Solar Diver — a 7mm difference across the dial.

What movement does the Citizen Promaster Air A-T run compared to the Vaer D4 Outerknown Solar Diver?

The Citizen Promaster Air A-T runs a solar caliber (E660), while the Vaer D4 Outerknown Solar Diver runs a quartz.

Side by side

Citizen Promaster Air A-TvsVaer D4 Outerknown Solar Diver

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

Citizen Promaster Air A-T

CB5004

MSRP $581

Vaer D4 Outerknown Solar Diver

d4-outerknown-usa-solar-diver-marine

MSRP $549

At a glance

10 of 29 specs differ

Diameter

Promaster Air A-T46mm

D4 Outerknown Solar Diver39mm

Power Reserve

Promaster Air A-T40h

D4 Outerknown Solar Diver40h

Water Resistance

Promaster Air A-T200m

D4 Outerknown Solar Diver200m

MSRP

Promaster Air A-T$581

D4 Outerknown Solar Diver$549

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Green

Blue

Movement

2 specs

Caliber

E660

—

Type

Solar

Quartz

Pricing

1 specs

MSRP

$581

$549

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