Side by side

Sinn 6099 AnniversaryvsFortis Flieger F-43 Bicompax

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

6099 Anniversary
Sinn6099 Anniversary
MSRP $5,065
Flieger F-43 Bicompax
FortisFlieger F-43 Bicompax
MSRP $4,180

At a glance

14 of 29 specs differ
Diameter
6099 Anniversary41.5mm
Flieger F-43 Bicompax43mm
Power Reserve
6099 Anniversary42h
Flieger F-43 Bicompax58h
Water Resistance
6099 Anniversary100m
Flieger F-43 Bicompax200m
MSRP
6099 Anniversary$5,065
Flieger F-43 Bicompax$4,180

Full specifications

Case

6 specs
Category
Tool
Chronograph
Diameter
41.5mm
43mm
Thickness
15mm
14.5mm
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Silver
Original
Indices
Applied

Movement

3 specs
Caliber
LJP L110
Sellita SW510 BH a
Power Reserve
42h
58h
Jewels
26
27

Pricing

1 specs
MSRP
$5,065
$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.

Sinn 6099 Anniversary

Owners widely report the Sinn 6099 Anniversary wears large, with one owner noting it feels big for a 7-inch wrist. On balance, owners are pleased with the Sinn 6099 Anniversary's appealing look and build quality.

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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