Side by side

Fortis Flieger F-43 BicompaxvsStudio Underd0g Classic Cheese (Gen3)

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
Classic Cheese (Gen3)
Studio Underd0gClassic Cheese (Gen3)
MSRP $625

At a glance

9 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Classic Cheese (Gen3)38.5mm
Power Reserve
Flieger F-43 Bicompax58h
Classic Cheese (Gen3)40h
Water Resistance
Flieger F-43 Bicompax200m
Classic Cheese (Gen3)
MSRP
Flieger F-43 Bicompax$4,180
Classic Cheese (Gen3)$625

Full specifications

Case

4 specs
Diameter
43mm
38.5mm
Thickness
14.5mm
Lug Width
22mm
Water Resistance
200m

Crystal & Dial

1 specs
Dial Color
Original
Exclusive Access

Movement

3 specs
Caliber
Sellita SW510 BH a
Power Reserve
58h
40h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$625

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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.

Studio Underd0g Classic Cheese (Gen3)

The Studio Underd0g Classic Cheese (Gen3) is praised for its unique textured dial, graduating from yellow to orange with a distinctive "missing" slice at 3 o'clock, evoking melted cheese. It features a vintage-inspired 38.5mm stainless steel case with careful finishing, brushed and polished accents, and a 44.5mm lug-to-lug measurement. The watch is powered by a hand-wound Seagull ST-1901 chronograph movement, with a regulated accuracy of -10/+15 seconds per day and a 50m water resistance rating. On balance, reviewers highlight the Studio Underd0g Classic Cheese (Gen3)'s creative dial design and wearable vintage case proportions as its strongest attributes.

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