Side by side

Fortis Flieger F-43 BicompaxvsHamilton American Classic Intra-Matic Auto Chrono

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

At a glance

10 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
American Classic Intra-Matic Auto Chrono40mm
Power Reserve
Flieger F-43 Bicompax58h
American Classic Intra-Matic Auto Chrono60h
Water Resistance
Flieger F-43 Bicompax200m
American Classic Intra-Matic Auto Chrono100m
MSRP
Flieger F-43 Bicompax$4,180
American Classic Intra-Matic Auto Chrono$2,645

Full specifications

Case

5 specs
Diameter
43mm
40mm
Thickness
14.5mm
14.45mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Original
White

Movement

3 specs
Caliber
Sellita SW510 BH a
H-31
Power Reserve
58h
60h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$2,645

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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.

Hamilton American Classic Intra-Matic Auto Chrono

Owners widely praise the Hamilton American Classic Intra-Matic Auto Chrono for its historically significant retro design, clean panda dial, and value, with many noting its comfortable wearability and how it garners compliments. Reviewers and owners alike highlight its attractive dial with well-placed sub-registers and polished indices, evoking a vintage charm. Some owners find the 14mm+ case thickness substantial, though others note it wears smaller than expected and fits under shirt cuffs. The H-31 movement's rotor is described as spinny by one owner, and accuracy figures range from +3 to +8 seconds per day, with one owner noting the OEM strap is utilitarian. On balance, owners and reviewers rate the Hamilton American Classic Intra-Matic Auto Chrono highly for its vintage aesthetic and value proposition.

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