Side by side

Borealis Watch Co. Caloura 300mvsOrient RA-AK03 Version 5 Classic Watch

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
RA-AK03 Version 5 Classic Watch
OrientRA-AK03 Version 5 Classic Watch
MSRP $420

At a glance

14 of 29 specs differ
Diameter
Caloura 300m42mm
RA-AK03 Version 5 Classic Watch41.5mm
Power Reserve
Caloura 300m40h
RA-AK03 Version 5 Classic Watch40h
Water Resistance
Caloura 300m300m
RA-AK03 Version 5 Classic Watch50m
MSRP
Caloura 300m$275
RA-AK03 Version 5 Classic Watch$420

Full specifications

Case

7 specs
Category
Diver
—
Diameter
42mm
41.5mm
Thickness
13.9mm
13mm
Lug-to-Lug
44.20mm
48mm
Lug Width
22mm
22mm
Water Resistance
300m
50m
Caseback
Solid
Display

Crystal & Dial

2 specs
Dial Color
Black
White
Lume
BGW9
None

Movement

4 specs
Caliber
NH35
F6B24
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22
Complications
None
GMT, Day-date

Pricing

1 specs
MSRP
$275
$420

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