Which is cheaper, the Fortis Flieger F-39 Werk 7 or the Vaer D4 Outerknown Solar Diver?

At MSRP the Vaer D4 Outerknown Solar Diver is the cheaper of the two at $549, against $4,510 for the Fortis Flieger F-39 Werk 7 — a $3,961 gap before any retailer discounting.

Which has a longer power reserve, the Fortis Flieger F-39 Werk 7 or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver carries a 40-hour power reserve against 38 hours on the Fortis Flieger F-39 Werk 7.

What movement does the Fortis Flieger F-39 Werk 7 run compared to the Vaer D4 Outerknown Solar Diver?

The Fortis Flieger F-39 Werk 7 runs a automatic caliber (Werk 7 (Manufacture)), while the Vaer D4 Outerknown Solar Diver runs a quartz.

Side by side

Fortis Flieger F-39 Werk 7vsVaer D4 Outerknown Solar Diver

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

Fortis Flieger F-39 Werk 7

F-39 Werk 7

MSRP $4,510

Vaer D4 Outerknown Solar Diver

d4-outerknown-usa-solar-diver-marine

MSRP $549

At a glance

10 of 29 specs differ

Diameter

Flieger F-39 Werk 739mm

D4 Outerknown Solar Diver39mm

Power Reserve

Flieger F-39 Werk 738h

D4 Outerknown Solar Diver40h

Water Resistance

Flieger F-39 Werk 7200m

D4 Outerknown Solar Diver200m

MSRP

Flieger F-39 Werk 7$4,510

D4 Outerknown Solar Diver$549

Full specifications

Case

3 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Blue

Movement

4 specs

Caliber

Werk 7 (Manufacture)

—

Type

Automatic

Quartz

Power Reserve

38h

40h

Jewels

Pricing

1 specs

MSRP

$4,510

$549

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