Side by side
Borealis Watch Co. Caloura 300mvsWolbrook Douglas Grand Prix Racing
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Caloura 300m42mm
Douglas Grand Prix Racing40mm
Power Reserve
Caloura 300m40h
Douglas Grand Prix Racing40h
Water Resistance
Caloura 300m300m
Douglas Grand Prix Racing100m
MSRP
Caloura 300m$275
Douglas Grand Prix Racing$442
Full specifications
Case
7 specsCategory
Diver
Racing
Diameter
42mm
40mm
Thickness
13.9mm
13mm
Lug-to-Lug
44.20mm
—
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
2 specsDial Color
Black
Steel
Lume
BGW9
None
Movement
1 specsCaliber
NH35
Miyota 8315
Pricing
1 specsMSRP
$275
$442
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