Side by side

Fortis Flieger F-43 BicompaxvsSeiko Presage Classic Series

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
Presage Classic Series
SeikoPresage Classic Series
MSRP $950

At a glance

13 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Presage Classic Series36mm
Power Reserve
Flieger F-43 Bicompax58h
Presage Classic Series72h
Water Resistance
Flieger F-43 Bicompax200m
Presage Classic Series100m
MSRP
Flieger F-43 Bicompax$4,180
Presage Classic Series$950

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
43mm
36mm
Thickness
14.5mm
12.5mm
Lug-to-Lug
41.4mm
Lug Width
22mm
18mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Original
Black

Movement

3 specs
Caliber
Sellita SW510 BH a
6R51
Power Reserve
58h
72h
Jewels
27
24

Pricing

1 specs
MSRP
$4,180
$950

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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.

Seiko Presage Classic Series

The Seiko Presage Classic Series is widely praised for its sublime dial and hand finishing, with textured dials inspired by silk and elegantly curved hands. Owners and reviewers highlight the value proposition under $1,000, the comfortable wearability due to case proportions and slim appearance, and the robust 100m water resistance on several models. The 72-hour power reserve from the 6R51 or 6R55 automatic movements is a consistent positive note. However, one owner criticizes the pin and collar bracelet system as awful, and the 24-hour subdial is noted as potentially annoying by another. Accuracy figures for the 6R55 movement range from +25/-15 seconds per day to within -15/+25 seconds per day. On balance, owners and reviewers rate the Seiko Presage Classic Series highly for its exquisite dial work and strong value at its price point.

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