Side by side

Citizen Tsuki-yomi A-TvsFortis Flieger F-43 Bicompax

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

Tsuki-yomi A-T
CitizenTsuki-yomi A-T
MSRP $656
Flieger F-43 Bicompax
FortisFlieger F-43 Bicompax
MSRP $4,180

At a glance

11 of 29 specs differ
Diameter
Tsuki-yomi A-T43mm
Flieger F-43 Bicompax43mm
Power Reserve
Tsuki-yomi A-T40h
Flieger F-43 Bicompax58h
Water Resistance
Tsuki-yomi A-T100m
Flieger F-43 Bicompax200m
MSRP
Tsuki-yomi A-T$656
Flieger F-43 Bicompax$4,180

Full specifications

Case

5 specs
Category
Dress
Chronograph
Thickness
12mm
14.5mm
Lug-to-Lug
46mm
Material
Super Titanium
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
Red
Original

Movement

4 specs
Caliber
H874
Sellita SW510 BH a
Type
Solar
Automatic
Power Reserve
40h
58h
Jewels
25
27

Pricing

1 specs
MSRP
$656
$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 Tsuki-yomi A-T

The Citizen Tsuki-yomi A-T is widely praised for its gorgeous, detailed moonphase complication, available in gray, blue, or red, and its visually light Super Titanium case. Reviewers and owners alike highlight the comfortable wearability offered by the 43mm case, which is 11mm thick with short lugs and features a mix of brushed and polished finishes. The radio-controlled atomic timekeeping and Eco-Drive movement are noted as key features, along with a world time zone guide on the case back. Some users find the pushers and crown for setting time zones and hemisphere settings, along with the chapter ring functions, to be unintuitive. On balance, owners and reviewers rate the Citizen Tsuki-yomi A-T highly for its striking moonphase display and comfortable, lightweight titanium construction at a great price.

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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