Side by side

Fortis Flieger F-43 BicompaxvsSugess Seestern Heritage S436-2 BB GMT

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
Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299

At a glance

14 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Seestern Heritage S436-2 BB GMT40mm
Power Reserve
Flieger F-43 Bicompax58h
Seestern Heritage S436-2 BB GMT35h
Water Resistance
Flieger F-43 Bicompax200m
Seestern Heritage S436-2 BB GMT10m
MSRP
Flieger F-43 Bicompax$4,180
Seestern Heritage S436-2 BB GMT$299

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
43mm
40mm
Thickness
14.5mm
12.2mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Water Resistance
200m
10m

Crystal & Dial

2 specs
Dial Color
Original
Black
Lume
None
Tritium

Movement

5 specs
Caliber
Sellita SW510 BH a
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
58h
35h
Jewels
27
25
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$4,180
$299

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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 Seestern Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

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