Side by side

Fortis Flieger F-43 BicompaxvsStudio Underd0g Full Moon

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
Full Moon
Studio Underd0gFull Moon
MSRP $800

At a glance

11 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Full Moon39.5mm
Power Reserve
Flieger F-43 Bicompax58h
Full Moon40h
Water Resistance
Flieger F-43 Bicompax200m
Full Moon
MSRP
Flieger F-43 Bicompax$4,180
Full Moon$800

Full specifications

Case

5 specs
Category
Chronograph
Casual
Diameter
43mm
39.5mm
Thickness
14.5mm
Lug Width
22mm
Water Resistance
200m

Crystal & Dial

1 specs
Dial Color
Original
Standard

Movement

4 specs
Caliber
Sellita SW510 BH a
Type
Automatic
Manual
Power Reserve
58h
40h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$800

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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 Full Moon

Owners widely praise the Studio Underd0g Full Moon's harmonious creamy dial and its 37mm case, which fits flawlessly. The innovative sapphire disc with numerals is a highlight, though two visible screws holding it are noted as a minor aesthetic drawback. Some owners find the watch overpriced, while others see value in the upgraded Sellita movement under $1k. Lume is surprisingly good, and the included NATO strap is preferred by some over the leather. Accuracy ranges from +1/+2 seconds per day to about -6 seconds per day. On balance, owners rate the Studio Underd0g Full Moon highly for its versatile dial and well-fitting case at the price point.

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