Side by side

Borealis Watch Co. Caloura 300mvsSerket Watch Co Reef

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
Reef
Serket Watch CoReef
MSRP $899
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Buy used on eBay ↗
Buy from Serket Watch Co ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
Caloura 300m42mm
Reef46mm
Power Reserve
Caloura 300m40h
Reef38h
Water Resistance
Caloura 300m300m
Reef300m
MSRP
Caloura 300m$275
Reef$899

Full specifications

Case

5 specs
Category
Diver
—
Diameter
42mm
46mm
Thickness
13.9mm
14mm
Lug-to-Lug
44.20mm
52mm
Lug Width
22mm
24mm

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

2 specs
Caliber
NH35
Sellita SW200-1
Power Reserve
40h
38h

Pricing

1 specs
MSRP
$275
$899
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