Side by side
Borealis Watch Co. Caloura 300mvsFortis Flieger F-43 Bicompax
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Caloura 300m42mm
Flieger F-43 Bicompax43mm
Power Reserve
Caloura 300m40h
Flieger F-43 Bicompax58h
Water Resistance
Caloura 300m300m
Flieger F-43 Bicompax200m
MSRP
Caloura 300m$275
Flieger F-43 Bicompax$4,180
Full specifications
Case
6 specsCategory
Diver
Chronograph
Diameter
42mm
43mm
Thickness
13.9mm
14.5mm
Lug-to-Lug
44.20mm
—
Lug Width
22mm
22mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
Original
Lume
BGW9
None
Movement
3 specsCaliber
NH35
Sellita SW510 BH a
Power Reserve
40h
58h
Jewels
25
27
Pricing
1 specsMSRP
$275
$4,180
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