Which is bigger, the Fortis Flieger F-43 Bicompax or the Zero West LS-1 Land Speed 1927?

The Zero West LS-1 Land Speed 1927 wears larger at 44mm versus 43mm for the Fortis Flieger F-43 Bicompax — a 1mm difference across the dial.

Which has better water resistance, the Fortis Flieger F-43 Bicompax or the Zero West LS-1 Land Speed 1927?

The Fortis Flieger F-43 Bicompax is rated to 200m versus 100m for the Zero West LS-1 Land Speed 1927.

Which has a longer power reserve, the Fortis Flieger F-43 Bicompax or the Zero West LS-1 Land Speed 1927?

The Fortis Flieger F-43 Bicompax carries a 58-hour power reserve against 48 hours on the Zero West LS-1 Land Speed 1927.

What movement does the Fortis Flieger F-43 Bicompax run compared to the Zero West LS-1 Land Speed 1927?

Both watches run automatic movements — the Fortis Flieger F-43 Bicompax uses the Sellita SW510 BH a and the Zero West LS-1 Land Speed 1927 uses the ETA 7750.

Side by side

Fortis Flieger F-43 BicompaxvsZero West LS-1 Land Speed 1927

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

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Fortis Flieger F-43 Bicompax

F-43 Bicompax

MSRP $4,180

Zero West LS-1 Land Speed 1927

ls-1-land-speed-bullhead-chronograph-1927

At a glance

10 of 29 specs differ

Diameter

Flieger F-43 Bicompax43mm

LS-1 Land Speed 192744mm

Power Reserve

Flieger F-43 Bicompax58h

LS-1 Land Speed 192748h

Water Resistance

Flieger F-43 Bicompax200m

LS-1 Land Speed 1927100m

MSRP

Flieger F-43 Bicompax$4,180

LS-1 Land Speed 1927—

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Dial Color

Original

Black

Movement

3 specs

Caliber

Sellita SW510 BH a

ETA 7750

Power Reserve

58h

48h

Jewels

Pricing

1 specs

MSRP

$4,180

—

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Fortis Flieger F-43 BicompaxvsZero West LS-1 Land Speed 1927

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