Side by side

Fortis Flieger F-43 BicompaxvsHorage Omnium K2

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
Omnium K2
HorageOmnium K2
MSRP $5,140

At a glance

13 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Omnium K237.3mm
Power Reserve
Flieger F-43 Bicompax58h
Omnium K272h
Water Resistance
Flieger F-43 Bicompax200m
Omnium K2100m
MSRP
Flieger F-43 Bicompax$4,180
Omnium K2$5,140

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
43mm
37.3mm
Thickness
14.5mm
7.95mm
Lug-to-Lug
43.8mm
Lug Width
22mm
20mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Inner
No
Dial Color
Original
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Sellita SW510 BH a
Horage K2
Power Reserve
58h
72h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$5,140

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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.

Horage Omnium K2

The Horage Omnium K2 is lauded for its slim 7.95mm profile and chronometer-certified K2 micro-rotor movement with a 72-hour power reserve. Reviewers note its technical innovation, including a proprietary silicon escapement and modular K1 movement, and praise its value. However, some find the molded, luminous hour numerals too whimsical, and the explicit mention of "silicon escapement" on the dial is considered unnecessary. On balance, reviewers rate the Horage Omnium K2 highly for its technical innovation and slim profile at its price point.

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