Side by side

Fortis Flieger F-43 BicompaxvsOrient M-Force AC0L

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 AC0L
OrientM-Force AC0L
MSRP $605

At a glance

15 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
M-Force AC0L45mm
Power Reserve
Flieger F-43 Bicompax58h
M-Force AC0L40h
Water Resistance
Flieger F-43 Bicompax200m
M-Force AC0L200m
MSRP
Flieger F-43 Bicompax$4,180
M-Force AC0L$605

Full specifications

Case

5 specs
Category
Chronograph
Diver
Diameter
43mm
45mm
Thickness
14.5mm
13.2mm
Lug-to-Lug
52mm
Lug Width
22mm
20mm

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Original
Black
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
$605

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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 AC0L

Orient M-Force AC0L owners widely praise its robust build, distinctive neo-retro design, and excellent value, with many highlighting its mirror and satin finishing that enhances its angular case. Reviewers and owners alike commend its modern specifications, including a sapphire crystal and ISO certification for shock resistance and anti-magnetism, positioning it as a durable beater watch. Accuracy figures vary, with one owner reporting +3/-2 seconds per day and another noting +12 seconds per day, while some find the stock bracelet's quality and clasp disappointing. Low-light legibility and lume are considered poor by some, and a wobbly crown has been reported by a few owners. On balance, owners and reviewers rate the Orient M-Force AC0L highly for its durable construction and unique design at its price point.

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