Side by side

Fortis Flieger F-41 Werk 7vsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

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

Flieger F-41 Werk 7
FortisFlieger F-41 Werk 7
MSRP $4,510

At a glance

12 of 29 specs differ
Diameter
Flieger F-41 Werk 741mm
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
Flieger F-41 Werk 738h
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
Flieger F-41 Werk 7200m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
Flieger F-41 Werk 7$4,510
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500

Full specifications

Case

5 specs
Category
Pilot
Chronograph
Diameter
41mm
42mm
Thickness
11.5mm
14.6mm
Lug-to-Lug
46mm
49.5mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Werk 7 (Manufacture)
8R48
Power Reserve
38h
45h
Jewels
26
34

Pricing

1 specs
MSRP
$4,510
$2,500

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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-41 Werk 7

The Fortis Flieger is widely praised for its robust build quality, superb readability, and excellent fit and finish, with reviewers highlighting the utilitarian dial and Brixtrack markers. Some find the 39mm case wears large due to its 50mm lug-to-lug span, while others note the 41mm versions offer better proportions. The Werk 7 movement provides a 70-hour power reserve, though one review mentions the UW-30 movement in a 39mm model has a 38-hour power reserve. On balance, reviewers rate the Fortis Flieger highly for its practical design and solid construction at its price point.

Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

Owners widely praise the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition for its refined presence and intricate dial patterns, with some favoring its unique red dial and steel bezel over other Speedtimer models. However, some owners criticize the 24-hour subdial as useless, the date window as recessed, and the stock bracelet as difficult to fit, while others find the pushers stick out too much. One owner notes the $995 price point is high for the 6R55 movement, suggesting a lower range, though others appreciate the Seiko finishing and charm. On balance, owners rate the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition well for its unique aesthetic and finishing, despite some functional and value concerns.

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