Side by side

Fortis Flieger F-43 BicompaxvsOrient RA-AC0K Diver Watch

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
RA-AC0K Diver Watch
OrientRA-AC0K Diver Watch
MSRP $455

At a glance

14 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
RA-AC0K Diver Watch43.4mm
Power Reserve
Flieger F-43 Bicompax58h
RA-AC0K Diver Watch40h
Water Resistance
Flieger F-43 Bicompax200m
RA-AC0K Diver Watch200m
MSRP
Flieger F-43 Bicompax$4,180
RA-AC0K Diver Watch$455

Full specifications

Case

4 specs
Category
Chronograph
Diver
Diameter
43mm
43.4mm
Thickness
14.5mm
12.8mm
Lug-to-Lug
51mm

Crystal & Dial

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

Movement

5 specs
Caliber
Sellita SW510 BH a
F6722
Beat Rate
28,800 vph
21,600 vph
Power Reserve
58h
40h
Jewels
27
22
Complications
None
Date

Pricing

1 specs
MSRP
$4,180
$455

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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 RA-AC0K Diver Watch

Owners widely praise the Orient RA-AC0K Diver Watch for exceeding expectations and being a "real" watch. The mechanical movement is noted for keeping great time, running within a handful of seconds fast per day, with some owners considering Orient's budget movements among the best for accuracy. Overall, owners rate the Orient RA-AC0K Diver Watch highly for its surprising quality and reliable timekeeping at its price point.

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