Which is cheaper, the Fortis Flieger F-39 Werk 7 or the Wolbrook JetFlyer Automatic Chronograph?

At MSRP the Wolbrook JetFlyer Automatic Chronograph is the cheaper of the two at $845, against $4,510 for the Fortis Flieger F-39 Werk 7 — a $3,665 gap before any retailer discounting.

Which is bigger, the Fortis Flieger F-39 Werk 7 or the Wolbrook JetFlyer Automatic Chronograph?

The Fortis Flieger F-39 Werk 7 wears larger at 39mm versus 38mm for the Wolbrook JetFlyer Automatic Chronograph — a 1mm difference across the dial.

Which has better water resistance, the Fortis Flieger F-39 Werk 7 or the Wolbrook JetFlyer Automatic Chronograph?

The Fortis Flieger F-39 Werk 7 is rated to 200m versus 100m for the Wolbrook JetFlyer Automatic Chronograph.

Which has a longer power reserve, the Fortis Flieger F-39 Werk 7 or the Wolbrook JetFlyer Automatic Chronograph?

The Wolbrook JetFlyer Automatic Chronograph 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 Wolbrook JetFlyer Automatic Chronograph?

Both watches run automatic movements — the Fortis Flieger F-39 Werk 7 uses the Werk 7 (Manufacture) and the Wolbrook JetFlyer Automatic Chronograph uses the Jeambrun PS 6402.

Side by side

Fortis Flieger F-39 Werk 7vsWolbrook JetFlyer Automatic Chronograph

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

Wolbrook JetFlyer Automatic Chronograph

26-JFCA-001-LR6-BLK-STL

MSRP $845

At a glance

10 of 29 specs differ

Diameter

Flieger F-39 Werk 739mm

JetFlyer Automatic Chronograph38mm

Power Reserve

Flieger F-39 Werk 738h

JetFlyer Automatic Chronograph40h

Water Resistance

Flieger F-39 Werk 7200m

JetFlyer Automatic Chronograph100m

MSRP

Flieger F-39 Werk 7$4,510

JetFlyer Automatic Chronograph$845

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Crystal

Sapphire

Domed Sapphire

Movement

3 specs

Caliber

Werk 7 (Manufacture)

Jeambrun PS 6402

Power Reserve

38h

40h

Jewels

Pricing

1 specs

MSRP

$4,510

$845

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