Side by side

Fortis Flieger F-43 BicompaxvsOrient M-Force AC0N

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
M-Force AC0N
OrientM-Force AC0N
MSRP $555

At a glance

15 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
M-Force AC0N45mm
Power Reserve
Flieger F-43 Bicompax58h
M-Force AC0N40h
Water Resistance
Flieger F-43 Bicompax200m
M-Force AC0N200m
MSRP
Flieger F-43 Bicompax$4,180
M-Force AC0N$555

Full specifications

Case

5 specs
Category
Chronograph
Diver
Diameter
43mm
45mm
Thickness
14.5mm
12.8mm
Lug-to-Lug
52mm
Lug Width
22mm
20mm

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Original
Green
Indices
Applied

Movement

5 specs
Caliber
Sellita SW510 BH a
F6727
Beat Rate
28,800 vph
21,600 vph
Power Reserve
58h
40h
Jewels
27
22
Complications
None
Date

Pricing

1 specs
MSRP
$4,180
$555

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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.

Orient M-Force AC0N

Owners widely praise the Orient M-Force AC0N for its rugged, tank-like appearance and robust, well-built construction, with many citing the reliability of Japanese automatic movements as a key draw. Reviewers and owners consistently flag excellent lume and a superior diver bezel, though one owner notes poor low-light legibility due to weak lume. Accuracy figures vary, with one owner reporting stable +12 seconds/day timekeeping while another found it kept near-perfect time when fully wound; a wobbly crown was also noted by one owner. Overall, owners rate the Orient M-Force AC0N highly for its toughness and value, with its striking design and durable build being the primary reasons for satisfaction.

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