Which is cheaper, the Fortis Flieger F-39 Werk 7 or the Boldr Polaris?

At MSRP the Boldr Polaris is the cheaper of the two at $399, against $4,510 for the Fortis Flieger F-39 Werk 7 — a $4,111 gap before any retailer discounting.

Which is bigger, the Fortis Flieger F-39 Werk 7 or the Boldr Polaris?

The Fortis Flieger F-39 Werk 7 wears larger at 39mm versus 38mm for the Boldr Polaris — a 1mm difference across the dial.

Which has a longer power reserve, the Fortis Flieger F-39 Werk 7 or the Boldr Polaris?

The Boldr Polaris 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 Boldr Polaris?

Both watches run automatic movements — the Fortis Flieger F-39 Werk 7 uses the Werk 7 (Manufacture) and the Boldr Polaris uses the Seiko NH38A.

Side by side

Fortis Flieger F-39 Werk 7vsBoldr Polaris

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

Boldr Polaris

polaris-blackout

MSRP $399

At a glance

12 of 29 specs differ

Diameter

Flieger F-39 Werk 739mm

Polaris38mm

Power Reserve

Flieger F-39 Werk 738h

Polaris40h

Water Resistance

Flieger F-39 Werk 7200m

Polaris200m

MSRP

Flieger F-39 Werk 7$4,510

Polaris$399

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Black

Blackout

Lume

None

Super-LumiNova

Movement

3 specs

Caliber

Werk 7 (Manufacture)

Seiko NH38A

Power Reserve

38h

40h

Jewels

Pricing

1 specs

MSRP

$4,510

$399

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Fortis Flieger F-39 Werk 7vsBoldr Polaris

At a glance

Full specifications

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