Side by side

Fortis Flieger F-43 Triple-GMTvsSeiko Prospex LX line

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

Flieger F-43 Triple-GMT
FortisFlieger F-43 Triple-GMT
MSRP $4,840
Prospex LX line
SeikoProspex LX line
MSRP $5,500

At a glance

12 of 29 specs differ
Diameter
Flieger F-43 Triple-GMT43mm
Prospex LX line44.8mm
Power Reserve
Flieger F-43 Triple-GMT56h
Prospex LX line72h
Water Resistance
Flieger F-43 Triple-GMT200m
Prospex LX line200m
MSRP
Flieger F-43 Triple-GMT$4,840
Prospex LX line$5,500

Full specifications

Case

4 specs
Diameter
43mm
44.8mm
Thickness
14mm
14.7mm
Lug-to-Lug
50.9mm
Material
Stainless Steel
Titanium

Crystal & Dial

3 specs
AR Coating
Inner
Super-clear coating
Dial Color
Original
Black
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Sellita SW330-2
5R66
Type
Automatic
Spring Drive
Power Reserve
56h
72h
Jewels
25
30

Pricing

1 specs
MSRP
$4,840
$5,500

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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-43 Triple-GMT

The Fortis Flieger F-43 Triple-GMT is widely praised for its stunning dial execution, COSC-certified Kenissi WERK 13 movement with a 70-hour power reserve, and legible Brixtrack luminous indices. Owners and reviewers highlight the surprisingly wearable 43mm titanium case and bracelet, noting its lightness and comfort despite the size, with one source specifically mentioning a quick-adjustable extension. The watch offers 200m water resistance and features a Synchroline indicator. However, some owners note the titanium scratches easily and the bracelet can be difficult to size. The watch is priced at €4,500. On balance, owners and reviewers rate the Fortis Flieger F-43 Triple-GMT highly for its purpose-focused pilot's watch design and innovative movement.

Seiko Prospex LX line

Owners widely report the dial's blue-green sunburst is phenomenal, and the sapphire glass features blue AR coating. Some owners feel the high price limits discounts and sales, with one AD noting extremely low sales due to the cost. One owner reported DLC peeling off a two-week-old watch, and another noted quality control issues like bezel inserts and fallen second hands. On balance, owners consider the Seiko Prospex LX line a nicely built watch, though pricing led to poor sales and its discontinuation.

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