Side by side

Fortis Flieger F-43 BicompaxvsLongines SPIRIT PILOT

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

Flieger F-43 Bicompax
FortisFlieger F-43 Bicompax
MSRP $4,180
SPIRIT PILOT
LonginesSPIRIT PILOT
MSRP $3,100

At a glance

21 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
SPIRIT PILOT39mm
Power Reserve
Flieger F-43 Bicompax58h
SPIRIT PILOT72h
Water Resistance
Flieger F-43 Bicompax200m
SPIRIT PILOT100m
MSRP
Flieger F-43 Bicompax$4,180
SPIRIT PILOT$3,100

Full specifications

Case

8 specs
Category
Chronograph
Pilot
Diameter
43mm
39mm
Thickness
14.5mm
11.5mm
Lug-to-Lug
47.2mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid
Screw-down case back

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Original
Black
Indices
Applied
Applied Arabic numerals
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
Sellita SW510 BH a
L888.4
Beat Rate
28,800 vph
25,200 vph
Power Reserve
58h
72h
Jewels
27
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds

Pricing

1 specs
MSRP
$4,180
$3,100

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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-43 Bicompax

Owners widely praise the Fortis Original for its tool-watch aesthetic, legibility, and robust construction, with many noting excellent lume that lasts all night and precise day/date changes at midnight. The brushed stainless steel case is well-finished, and the 38mm size is considered comfortable and well-weighted despite being smaller than modern watches. Accuracy figures range from +2 seconds/day to +8 seconds/day, and some owners compare Fortis quality favorably to Omega. However, some users find the MSRP too high compared to brands like Sinn and Damasko, and one owner reported internal parts dislodging from a limited edition model. Concerns have also been raised about stripped lug screws on B-42 models and potential parts shortages due to past bankruptcy protection filings. Overall, owners rate the Fortis Original highly for its durable construction and tool-watch functionality at a competitive price point.

Longines SPIRIT PILOT

Owners widely praise the Longines Spirit Pilot for its exceptional finishing, featuring sharp edges and crisp transitions, and its improved wearability thanks to a reduced 39mm case size and 47.2mm lug-to-lug distance. Reviewers and owners alike highlight the clean, balanced dial with gilt-toned accents that play with light, and its excellent legibility and lume. The L888.4 automatic movement is noted for its 72-hour power reserve and COSC certification. Some owners feel the Longines Spirit Pilot wears larger than its 39mm diameter and express disappointment over the removal of the five stars from the dial, while others find its bracelet endlinks long and lament the lack of quick-release. One owner voices concern over the serviceability of exclusive movements. Overall, owners rate the Longines Spirit Pilot highly for its modern icon status and value, feeling it wears more expensively than its price point suggests.

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