Side by side

Fortis Flieger F-43 BicompaxvsOak & Oscar The Humboldt 12-hr

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
The Humboldt 12-hr
Oak & OscarThe Humboldt 12-hr
MSRP $1,750

At a glance

17 of 29 specs differ
Diameter
Flieger F-43 Bicompax43mm
The Humboldt 12-hr39.5mm
Power Reserve
Flieger F-43 Bicompax58h
The Humboldt 12-hr42 hoursh
Water Resistance
Flieger F-43 Bicompax200m
The Humboldt 12-hr200m
MSRP
Flieger F-43 Bicompax$4,180
The Humboldt 12-hr$1,750

Full specifications

Case

7 specs
Category
Chronograph
Tool
Diameter
43mm
39.5mm
Thickness
14.5mm
12.4mm
Lug-to-Lug
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Original
Grey
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
Sellita SW510 BH a
ETA 2892A2
Beat Rate
28,800 vph
4 vph
Power Reserve
58h
42 hoursh
Jewels
27
21
Complications
None
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$4,180
$1,750

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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.

Oak & Oscar The Humboldt 12-hr

Oak & Oscar The Humboldt 12-hr owners widely praise its comfortable, solid bracelet with screw links and tight end-link fit, along with its awesome sandwich dial featuring superb grain and crisp details. The 12-hour bezel is noted as excellent for tracking a second time zone, and the orange second hand adds a nice pop. One owner reports the watch has outstanding quality and a perfect fit on smaller wrists, while another notes its legibility and great presence on various straps. A reviewer describes it as a 40mm stainless steel tool watch with a matte, brushed finish and a sandwich dial, powered by an ETA 2892-A2 movement with a 42-hour power reserve. Some in the line report the lume could be brighter. On balance, owners and reviewers rate Oak & Oscar The Humboldt 12-hr highly for its build quality and versatile tool-watch design.

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