Which is cheaper, the Fortis Stratoliner S-41 or the Sartory Billard SB04?

At MSRP the Sartory Billard SB04 is the cheaper of the two at $2,900, against $5,450 for the Fortis Stratoliner S-41 — a $2,550 gap before any retailer discounting.

Which is bigger, the Fortis Stratoliner S-41 or the Sartory Billard SB04?

The Fortis Stratoliner S-41 wears larger at 41mm versus 40mm for the Sartory Billard SB04 — a 1mm difference across the dial.

Which has better water resistance, the Fortis Stratoliner S-41 or the Sartory Billard SB04?

The Fortis Stratoliner S-41 is rated to 200m versus 30m for the Sartory Billard SB04.

Which has a longer power reserve, the Fortis Stratoliner S-41 or the Sartory Billard SB04?

The Fortis Stratoliner S-41 carries a 60-hour power reserve against 40 hours on the Sartory Billard SB04.

What movement does the Fortis Stratoliner S-41 run compared to the Sartory Billard SB04?

Both watches run automatic movements — the Fortis Stratoliner S-41 uses the Manufacture Caliber WERK 17 and the Sartory Billard SB04 uses the LJP G100.

Fortis Stratoliner S-41vsSartory Billard SB04

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