Side by side

Fortis Flieger F-43 BicompaxvsSeiko Astron GPS Solar 2026 Limited Edition

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
Astron GPS Solar 2026 Limited Edition
SeikoAstron GPS Solar 2026 Limited Edition
MSRP $2,400

At a glance

15 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
Astron GPS Solar 2026 Limited Edition41.2mm
Power Reserve
Flieger F-43 Bicompax58h
Astron GPS Solar 2026 Limited Edition40h
Water Resistance
Flieger F-43 Bicompax200m
Astron GPS Solar 2026 Limited Edition100m
MSRP
Flieger F-43 Bicompax$4,180
Astron GPS Solar 2026 Limited Edition$2,400

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
43mm
41.2mm
Thickness
14.5mm
12mm
Lug-to-Lug
48.6mm
Lug Width
22mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

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 SW510 BH a
3X62
Type
Automatic
Quartz
Power Reserve
58h
40h
Jewels
27
10

Pricing

1 specs
MSRP
$4,180
$2,400

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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 Astron GPS Solar 2026 Limited Edition

The Seiko Astron GPS Solar 2026 Limited Edition is noted for its advanced GPS timekeeping that automatically updates time and date via satellite signals, powered by light to eliminate battery changes. Owners appreciate its design and texture, and the legible dial despite its complexity, with one owner preferring its less overloaded appearance over other Astron models. However, the GPS function requires a clear outdoor line-of-sight to the sky for reception, which can be an issue indoors or in dense urban environments, and DST is not implemented. The watch is priced over $2,000, and while it features a perpetual calendar, it only displays the date. Overall, owners and reviewers find the Seiko Astron GPS Solar 2026 Limited Edition a functional and appealing watch, particularly for its automatic timekeeping and solar power, though its GPS reception limitations and price point are noted considerations.

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