Side by side

Borealis Watch Co. Caloura 300mvsNoctua Watch Corp. PD-1

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

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Caloura 300m
Borealis Watch Co.Caloura 300m
MSRP $275
PD-1
Noctua Watch Corp.PD-1
MSRP $429
Buy from Borealis Watch Co. ↗
Buy used on eBay ↗
Buy from Noctua Watch Corp. ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
Caloura 300m42mm
PD-142mm
Power Reserve
Caloura 300m40h
PD-1—
Water Resistance
Caloura 300m300m
PD-1300m
MSRP
Caloura 300m$275
PD-1$429

Full specifications

Case

5 specs
Category
Diver
—
Diameter
42mm
42mm
Thickness
13.9mm
13mm
Lug-to-Lug
44.20mm
46mm
Lug Width
22mm
22mm

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

2 specs
Caliber
NH35
Seiko NH35A
Power Reserve
40h
—

Pricing

1 specs
MSRP
$275
—
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