Side by side

Fortis Flieger F-43 BicompaxvsHamilton Jazzmaster Open Heart Auto

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
Jazzmaster Open Heart Auto
HamiltonJazzmaster Open Heart Auto
MSRP $2,695

At a glance

10 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Jazzmaster Open Heart Auto36mm
Power Reserve
Flieger F-43 Bicompax58h
Jazzmaster Open Heart Auto80h
Water Resistance
Flieger F-43 Bicompax200m
Jazzmaster Open Heart Auto50m
MSRP
Flieger F-43 Bicompax$4,180
Jazzmaster Open Heart Auto$2,695

Full specifications

Case

5 specs
Diameter
43mm
36mm
Thickness
14.5mm
10mm
Lug-to-Lug
46mm
Lug Width
22mm
18mm
Water Resistance
200m
50m

Crystal & Dial

1 specs
Dial Color
Original
Mother of pearl

Movement

3 specs
Caliber
Sellita SW510 BH a
H-10
Power Reserve
58h
80h
Jewels
27
25

Pricing

1 specs
MSRP
$4,180
$2,695

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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 Jazzmaster Open Heart Auto

The Hamilton Jazzmaster Open Heart Auto is noted for its dressy yet versatile design, featuring striking gradient dials and intricately shaped cutouts that reveal the H-10 movement. It boasts an 80-hour power reserve and Nivachron hairspring. The watch is available in 36mm, 40mm, or 42mm stainless steel cases. On balance, the Hamilton Jazzmaster Open Heart Auto is appreciated for its visually engaging dial and movement display at its price point.

From video reviewers

The smoked dial's precision cutouts offer a captivating view of the automatic movement. Legibility is compromised by the open-heart design.

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