Which is cheaper, the Fortis Flieger F-41 or the Formex Reef 42 mm?

At MSRP the Formex Reef 42 mm is the cheaper of the two at $2,414, against $2,530 for the Fortis Flieger F-41 — a $116 gap before any retailer discounting.

Which is bigger, the Fortis Flieger F-41 or the Formex Reef 42 mm?

The Formex Reef 42 mm wears larger at 42mm versus 41mm for the Fortis Flieger F-41 — a 1mm difference across the dial.

Which has better water resistance, the Fortis Flieger F-41 or the Formex Reef 42 mm?

The Formex Reef 42 mm is rated to 300m versus 200m for the Fortis Flieger F-41.

Which has a longer power reserve, the Fortis Flieger F-41 or the Formex Reef 42 mm?

The Formex Reef 42 mm carries a 56-hour power reserve against 38 hours on the Fortis Flieger F-41.

What movement does the Fortis Flieger F-41 run compared to the Formex Reef 42 mm?

Both watches run automatic movements — the Fortis Flieger F-41 uses the Sellita SW200-1 and the Formex Reef 42 mm uses the Sellita SW300-1.

Side by side

Fortis Flieger F-41vsFormex Reef 42 mm

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

Formex Reef 42 mm

reef-42mm-automatic-cosc-300m-black

MSRP $2,414

At a glance

11 of 29 specs differ

Diameter

Flieger F-4141mm

Reef 42 mm42mm

Power Reserve

Flieger F-4138h

Reef 42 mm56h

Water Resistance

Flieger F-41200m

Reef 42 mm300m

MSRP

Flieger F-41$2,530

Reef 42 mm$2,414

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Lume

None

Super-LumiNova

Movement

3 specs

Caliber

Sellita SW200-1

Sellita SW300-1

Power Reserve

38h

56h

Jewels

Pricing

1 specs

MSRP

$2,530

$2,414

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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 Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

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