Side by side

Oris Big Crown DiamondsvsFortis Flieger F-43 Bicompax

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

Big Crown Diamonds
OrisBig Crown Diamonds
MSRP $3,300
Flieger F-43 Bicompax
FortisFlieger F-43 Bicompax
MSRP $4,180

At a glance

16 of 29 specs differ
Diameter
Big Crown Diamonds34mm
Flieger F-43 Bicompax43mm
Power Reserve
Big Crown Diamonds42 hoursh
Flieger F-43 Bicompax58h
Water Resistance
Big Crown Diamonds50m
Flieger F-43 Bicompax200m
MSRP
Big Crown Diamonds$3,300
Flieger F-43 Bicompax$4,180

Full specifications

Case

7 specs
Category
Chronograph
Diameter
34mm
43mm
Thickness
14.5mm
Lug Width
17mm
22mm
Finish
Brushed and polished
Water Resistance
50m
200m
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
531
Sellita SW510 BH a
Beat Rate
4 vph
28,800 vph
Power Reserve
42 hoursh
58h
Jewels
27

Pricing

1 specs
MSRP
$3,300
$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.

Oris Big Crown Diamonds

Owners widely praise the Oris Big Crown Diamonds for its timeless design, vintage charm, and recognizable details like cathedral hands and the pointer date function. Reviewers highlight the stunning gradient dial and the "Bullseye" tuxedo dial as particularly beautiful. The 38mm case is considered versatile, and the watch offers remarkable value. However, some owners note the standard Sellita movement has a short power reserve and plain finishing, and the strap is not durable. A reviewer points out slightly imperfect Super-LumiNova printing on the hour numerals, and one owner finds the two-tone bracelet overly flashy. On balance, owners and reviewers rate the Oris Big Crown Diamonds highly for its unique design and value at its price point.

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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