Side by side

Borealis Watch Co. Caloura 300mvsFormex Reef 39.5 mm

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
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

9 of 29 specs differ
Diameter
Caloura 300m42mm
Reef 39.5 mm39.5mm
Power Reserve
Caloura 300m40h
Reef 39.5 mm56h
Water Resistance
Caloura 300m300m
Reef 39.5 mm300m
MSRP
Caloura 300m$275
Reef 39.5 mm$2,230

Full specifications

Case

4 specs
Diameter
42mm
39.5mm
Thickness
13.9mm
11mm
Lug-to-Lug
44.20mm
45.5mm
Lug Width
22mm
22mm

Crystal & Dial

2 specs
Dial Color
Black
Bahama Blue
Lume
BGW9
Super-LumiNova

Movement

2 specs
Caliber
NH35
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$275
$2,230

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