Side by side

Fortis Flieger F-43 BicompaxvsNivada Grenchen Chronomaster Valjoux

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
Chronomaster Valjoux
Nivada GrenchenChronomaster Valjoux
MSRP $5,000

At a glance

15 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Chronomaster Valjoux38mm
Power Reserve
Flieger F-43 Bicompax58h
Chronomaster Valjoux48h
Water Resistance
Flieger F-43 Bicompax200m
Chronomaster Valjoux100m
MSRP
Flieger F-43 Bicompax$4,180
Chronomaster Valjoux$5,000

Full specifications

Case

7 specs
Diameter
43mm
38mm
Thickness
14.5mm
12.95mm
Lug-to-Lug
46.5mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
200m
100m
Caseback
Solid
316L Steel Silver Color Open Case back with Sapphire Glass

Crystal & Dial

2 specs
Dial Color
Original
Black
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
Sellita SW510 BH a
Valjoux 23
Type
Automatic
Manual
Power Reserve
58h
48h
Jewels
27
25
Complications
None
GMT, Chronograph

Pricing

1 specs
MSRP
$4,180
$5,000

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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.

Nivada Grenchen Chronomaster Valjoux

The Nivada Grenchen Chronomaster is praised for its vintage aesthetic and versatility, with the Aventurine Blue variant offering a unique starry dial and world time bezel. Owners note the sub-dials are small and difficult to read, and the Sellita SW510 movement exhibits rotor wobble and hand play. The $5,000 price point is a significant increase from previous reissues. Overall, owners rate the Nivada Grenchen Chronomaster highly for its vintage aesthetic and unique dial options, despite some concerns about sub-dial legibility and movement characteristics.

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