Side by side

Fortis Flieger F-41vsLongines LONGINES SPIRIT FLYBACK PROTOTYPE

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

Flieger F-41
FortisFlieger F-41
MSRP $2,530
LONGINES SPIRIT FLYBACK PROTOTYPE
LonginesLONGINES SPIRIT FLYBACK PROTOTYPE
MSRP $7,400

At a glance

11 of 29 specs differ
Diameter
Flieger F-4141mm
LONGINES SPIRIT FLYBACK PROTOTYPE42mm
Power Reserve
Flieger F-4138h
LONGINES SPIRIT FLYBACK PROTOTYPE40h
Water Resistance
Flieger F-41200m
LONGINES SPIRIT FLYBACK PROTOTYPE100m
MSRP
Flieger F-41$2,530
LONGINES SPIRIT FLYBACK PROTOTYPE$7,400

Full specifications

Case

6 specs
Category
Tool
Chronograph
Diameter
41mm
42mm
Thickness
11.5mm
17mm
Lug-to-Lug
46mm
49.5mm
Lug Width
20mm
22mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

3 specs
Caliber
Sellita SW200-1
L791.4
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$7,400

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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.

LONGINES SPIRIT FLYBACK PROTOTYPE

Owners widely praise the Longines Spirit Flyback Prototype for its attractive finishing, COSC-certified movement, and value as a flyback chronograph. Reviewers highlight its refined 39.5mm case and simplified dial, while some owners appreciate the reduced thickness and improved wearability compared to larger variants, with a lug-to-lug distance noted as potentially long for smaller wrists. The watch features a 68-hour power reserve and a bespoke L791.4 movement. However, the case thickness is a consistent point of discussion, with multiple sources citing 17mm, though some reviewers suggest thoughtful design makes it wear closer to 13.5-14mm. Owners are split on the dial's aesthetic, with some preferring previous configurations with gold subdial rings and concentric textures over the current flat matte dial and cut-off numbers. The leather strap is also noted as stiff and pinching.

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