Which is cheaper, the Boldr Expedition Enigmath or the Fortis Flieger F-43 Bicompax?

At MSRP the Boldr Expedition Enigmath is the cheaper of the two at $599, against $4,180 for the Fortis Flieger F-43 Bicompax — a $3,581 gap before any retailer discounting.

Which is bigger, the Boldr Expedition Enigmath or the Fortis Flieger F-43 Bicompax?

The Fortis Flieger F-43 Bicompax wears larger at 43mm versus 41mm for the Boldr Expedition Enigmath — a 2mm difference across the dial.

Which has a longer power reserve, the Boldr Expedition Enigmath or the Fortis Flieger F-43 Bicompax?

The Fortis Flieger F-43 Bicompax carries a 58-hour power reserve against 42 hours on the Boldr Expedition Enigmath.

What movement does the Boldr Expedition Enigmath run compared to the Fortis Flieger F-43 Bicompax?

Both watches run automatic movements — the Boldr Expedition Enigmath uses the Miyota 9039, and the Fortis Flieger F-43 Bicompax uses the Sellita SW510 BH a.

Side by side

Boldr Expedition EnigmathvsFortis Flieger F-43 Bicompax

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Boldr Expedition Enigmath

enigmath-coconino

MSRP $599

Fortis Flieger F-43 Bicompax

F-43 Bicompax

MSRP $4,180

At a glance

12 of 29 specs differ

Diameter

Expedition Enigmath41mm

Flieger F-43 Bicompax43mm

Power Reserve

Expedition Enigmath42h

Flieger F-43 Bicompax58h

Water Resistance

Expedition Enigmath200m

Flieger F-43 Bicompax200m

MSRP

Expedition Enigmath$599

Flieger F-43 Bicompax$4,180

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enigmath Coconino

Original

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Miyota 9039,

Sellita SW510 BH a

Power Reserve

42h

58h

Jewels

Pricing

1 specs

MSRP

$599

$4,180

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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.

Boldr Expedition Enigmath

The watch's slide rule function is a convenient feature, allowing for calculations on the go. One potential drawback is the use of the Japanese Miyota 9039 movement, which may be a trade-off for some buyers. Reviewers disagree on whether the quick 'on the fly' adjust bracelet is a more significant advantage than the watch's sapphire crystal for durability and scratch resistance.

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.

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