Side by side

Fortis Flieger F-43 BicompaxvsSartory Billard SB10

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
SB10
Sartory BillardSB10
MSRP $3,800

At a glance

13 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
SB1039.5mm
Power Reserve
Flieger F-43 Bicompax58h
SB1055h
Water Resistance
Flieger F-43 Bicompax200m
SB1080m
MSRP
Flieger F-43 Bicompax$4,180
SB10$3,800

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
43mm
39.5mm
Thickness
14.5mm
11.5mm
Lug-to-Lug
44.5mm
Lug Width
22mm
20mm
Water Resistance
200m
80m

Crystal & Dial

2 specs
Dial Color
Original
Black
Lume
None
Super-LumiNova BGW9

Movement

4 specs
Caliber
Sellita SW510 BH a
LJP G100
Power Reserve
58h
55h
Jewels
27
25
Complications
None
Jumping Hour

Pricing

1 specs
MSRP
$4,180
$3,800

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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.

Sartory Billard SB10

The Sartory Billard SB10 features a unique jumping hour and perimeter hour ring design, with functional grater plates that are not practical for actual grating due to a blocked-off side. Owners note the absence of a seconds hand, minute tick marks, and a conventional crystal. On balance, owners appreciate the unique design elements of the Sartory Billard SB10, despite its impractical features.

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