Side by side

Fortis Flieger F-43 Triple-GMTvsOak & Oscar The Jackson Big Eye

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

Flieger F-43 Triple-GMT
FortisFlieger F-43 Triple-GMT
MSRP $4,840
The Jackson Big Eye
Oak & OscarThe Jackson Big Eye
MSRP $3,150

At a glance

16 of 29 specs differ
Diameter
Flieger F-43 Triple-GMT43mm
The Jackson Big Eye40mm
Power Reserve
Flieger F-43 Triple-GMT56h
The Jackson Big Eye60 hoursh
Water Resistance
Flieger F-43 Triple-GMT200m
The Jackson Big Eye50m
MSRP
Flieger F-43 Triple-GMT$4,840
The Jackson Big Eye$3,150

Full specifications

Case

6 specs
Category
GMT
Chronograph
Diameter
43mm
40mm
Lug-to-Lug
46.4mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Brushed
Water Resistance
200m
50m

Crystal & Dial

5 specs
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Original
White
Indices
Applied
Baton
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
Sellita SW330-2
Eterna Caliber 39 (Cal. 3907M)
Type
Automatic
Manual
Beat Rate
28,800 vph
4 vph
Power Reserve
56h
60 hoursh

Pricing

1 specs
MSRP
$4,840
$3,150

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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 Triple-GMT

The Fortis Flieger F-43 Triple-GMT is widely praised for its stunning dial execution, COSC-certified Kenissi WERK 13 movement with a 70-hour power reserve, and legible Brixtrack luminous indices. Owners and reviewers highlight the surprisingly wearable 43mm titanium case and bracelet, noting its lightness and comfort despite the size, with one source specifically mentioning a quick-adjustable extension. The watch offers 200m water resistance and features a Synchroline indicator. However, some owners note the titanium scratches easily and the bracelet can be difficult to size. The watch is priced at €4,500. On balance, owners and reviewers rate the Fortis Flieger F-43 Triple-GMT highly for its purpose-focused pilot's watch design and innovative movement.

Oak & Oscar The Jackson Big Eye

Oak & Oscar The Jackson Big Eye is praised for its balanced design and fine details, featuring a prominent "Big Eye" 30-minute sub-register for improved readability, reminiscent of vintage chronographs. It is powered by the Eterna EMC 3907M manual wind movement with a 60-hour power reserve, column wheel, and flyback function, housed in a 40mm stainless steel case. This limited edition of 50 pieces was priced at $3,150 and included two Horween leather straps and a wallet. On balance, reviewers highlight the Jackson Big Eye's enthusiast-spec chronograph function and readable subdial as key strengths.

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