Side by side

Borealis Watch Co. Caloura 300mvsOblvlo JM Rotor

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
JM Rotor
OblvloJM Rotor
MSRP $299

At a glance

11 of 29 specs differ
Diameter
Caloura 300m42mm
JM Rotor42mm
Power Reserve
Caloura 300m40h
JM Rotor42h
Water Resistance
Caloura 300m300m
JM Rotor50m
MSRP
Caloura 300m$275
JM Rotor$299

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
42mm
42mm
Thickness
13.9mm
13mm
Lug-to-Lug
44.20mm
46mm
Lug Width
22mm
20mm
Water Resistance
300m
50m

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

3 specs
Caliber
NH35
Miyota 8215
Power Reserve
40h
42h
Jewels
25
21

Pricing

1 specs
MSRP
$275
$299

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