Which is cheaper, the Fortis Flieger F-41 or the Sartory Billard SB04?

At MSRP the Fortis Flieger F-41 is the cheaper of the two at $2,530, against $2,900 for the Sartory Billard SB04 — a $370 gap before any retailer discounting.

Which is bigger, the Fortis Flieger F-41 or the Sartory Billard SB04?

The Fortis Flieger F-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 Flieger F-41 or the Sartory Billard SB04?

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

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

The Sartory Billard SB04 carries a 40-hour power reserve against 38 hours on the Fortis Flieger F-41.

What movement does the Fortis Flieger F-41 run compared to the Sartory Billard SB04?

Both watches run automatic movements — the Fortis Flieger F-41 uses the Sellita SW200-1 and the Sartory Billard SB04 uses the LJP G100.

Side by side

Fortis Flieger F-41vsSartory Billard SB04

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

Fortis Flieger F-41

F-41

MSRP $2,530

Sartory Billard SB04

MSRP $2,900

At a glance

9 of 29 specs differ

Diameter

Flieger F-4141mm

SB0440mm

Power Reserve

Flieger F-4138h

SB0440h

Water Resistance

Flieger F-41200m

SB0430m

MSRP

Flieger F-41$2,530

SB04$2,900

Full specifications

Case

4 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

3 specs

Caliber

Sellita SW200-1

LJP G100

Power Reserve

38h

40h

Jewels

Pricing

1 specs

MSRP

$2,530

$2,900

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Fortis Flieger F-41

The Fortis Flieger F-41 is widely praised for its excellent machining and build quality for its price, featuring a traditional Flieger layout with modern flair, a sunburst dial with high-contrast orange accents, and a functional "Synchroline." Reviewers highlight its unique concave bezel with 24-click GMT functionality and a vivid color scheme that strikes a masterful balance. The watch offers 200 meters of water resistance and is powered by the UW-30 automatic movement. However, the UW-30 movement is noted for its modest 38-hour power reserve, and the 41mm case might be large for smaller wrists. Overall, reviewers rate the Fortis Flieger F-41 highly for its pared-back confidence and functional design at its price point.

The dial's textured finish and color shift are highlighted as a key strength. The bracelet's perceived lack of refinement and end-link fit are noted as a drawback. Reviewers disagree on the case size, with mentions of 35.9mm and 40mm.

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