Side by side

Citizen World Chronograph A-TvsFortis Flieger F-43 Bicompax

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

World Chronograph A-T
CitizenWorld Chronograph A-T
MSRP $581
Flieger F-43 Bicompax
FortisFlieger F-43 Bicompax
MSRP $4,180

At a glance

11 of 29 specs differ
Diameter
World Chronograph A-T43mm
Flieger F-43 Bicompax43mm
Power Reserve
World Chronograph A-T40h
Flieger F-43 Bicompax58h
Water Resistance
World Chronograph A-T200m
Flieger F-43 Bicompax200m
MSRP
World Chronograph A-T$581
Flieger F-43 Bicompax$4,180

Full specifications

Case

4 specs
Category
Pilot
Chronograph
Thickness
12mm
14.5mm
Lug-to-Lug
46mm
Lug Width
23mm
22mm

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Blue
Original

Movement

4 specs
Caliber
H800
Sellita SW510 BH a
Type
Solar
Automatic
Power Reserve
40h
58h
Jewels
25
27

Pricing

1 specs
MSRP
$581
$4,180

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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.

Citizen World Chronograph A-T

Owners widely praise the Citizen World Chronograph A-T for its perpetual accuracy via radio-controlled atomic timekeeping and Eco-Drive solar charging, eliminating the need to set the time or change batteries. Reviewers and owners highlight its advanced technology, chronograph styling, and user-friendly crown-actuated time zone changes. Specific praise is given to its water resistance, sapphire crystal, and value for money, with some appreciating subtle blue accents and others the bold Blue Angels colorway. However, the internal slide rule bezel is considered difficult to operate, the dial can suffer from glare and poor lume, and the blue bezel plating may scratch easily. Some owners note the 43mm size and 145g weight are substantial, and the stock strap can be too short for larger wrists. One owner reported indicator hands misaligning but resolved it with recalibration.

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.

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