Side by side

Fortis Flieger F-43 BicompaxvsSugess MoonPhase Master S437

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
MoonPhase Master S437
SugessMoonPhase Master S437
MSRP $549

At a glance

13 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
MoonPhase Master S43740mm
Power Reserve
Flieger F-43 Bicompax58h
MoonPhase Master S43748h
Water Resistance
Flieger F-43 Bicompax200m
MoonPhase Master S43750m
MSRP
Flieger F-43 Bicompax$4,180
MoonPhase Master S437$549

Full specifications

Case

6 specs
Diameter
43mm
40mm
Thickness
14.5mm
13.5mm
Lug-to-Lug
47.8mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
200m
50m
Caseback
Solid
Display

Crystal & Dial

2 specs
Dial Color
Original
White
Lume
None
X1

Movement

4 specs
Caliber
Sellita SW510 BH a
ST2528
Power Reserve
58h
48h
Jewels
27
25
Complications
None
Moonphase, Date

Pricing

1 specs
MSRP
$4,180
$549

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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.

Sugess MoonPhase Master S437

Owners widely praise the Sugess MoonPhase Master S437 for its striking dial, often described as deep blue or aventurine, and its value, with prices around $171-$175. The Seagull ST1908 movement is noted as accurate, with one owner reporting +3 seconds over 18 hours and another +7 seconds daily, and its hand-winding action is smooth. However, the watch's thickness, potentially over 13mm, is a concern for some as a dress watch, and the long lugs may pose a fit issue on smaller wrists. A potential design flaw in the moonphase window, showing two phases simultaneously, is flagged as a deal-breaker by some. The included leather straps are considered stiff and uncomfortable, and the domed sapphire crystal lacks AR coating, leading to reflections. On balance, owners rate the Sugess MoonPhase Master S437 highly for its stunning dial and value, despite some fit and finishing concerns.

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