Side by side

Borealis Watch Co. Caloura 300mvsTudor Black Bay

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

Caloura 300m
Borealis Watch Co.Caloura 300m
MSRP $275
Black Bay
TudorBlack Bay

At a glance

11 of 29 specs differ
Diameter
Caloura 300m42mm
Black Bay41mm
Power Reserve
Caloura 300m40h
Black Bay70h
Water Resistance
Caloura 300m300m
Black Bay200m
MSRP
Caloura 300m$275
Black Bay—

Full specifications

Case

7 specs
Diameter
42mm
41mm
Thickness
13.9mm
14.7mm
Lug-to-Lug
44.20mm
46mm
Lug Width
22mm
22mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Engraved

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

2 specs
Caliber
NH35
MT5602
Power Reserve
40h
70h

Pricing

1 specs
MSRP
$275
—

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