Which is cheaper, the Aera Instruments C-1 or the Fortis Stratoliner S-41?

At MSRP the Aera Instruments C-1 is the cheaper of the two at $2,200, against $5,450 for the Fortis Stratoliner S-41 — a $3,250 gap before any retailer discounting.

Which is bigger, the Aera Instruments C-1 or the Fortis Stratoliner S-41?

The Aera Instruments C-1 wears larger at 42mm versus 41mm for the Fortis Stratoliner S-41 — a 1mm difference across the dial.

Which has better water resistance, the Aera Instruments C-1 or the Fortis Stratoliner S-41?

The Fortis Stratoliner S-41 is rated to 200m versus 100m for the Aera Instruments C-1.

Which has a longer power reserve, the Aera Instruments C-1 or the Fortis Stratoliner S-41?

The Fortis Stratoliner S-41 carries a 60-hour power reserve against 56 hours on the Aera Instruments C-1.

What movement does the Aera Instruments C-1 run compared to the Fortis Stratoliner S-41?

Both watches run automatic movements — the Aera Instruments C-1 uses the SW510 BH B and the Fortis Stratoliner S-41 uses the Manufacture Caliber WERK 17.

Aera Instruments C-1vsFortis Stratoliner S-41

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