Side by side

Borealis Watch Co. Caloura 300mvsSheffield Deep Gray 300

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
Deep Gray 300
SheffieldDeep Gray 300
MSRP $258

At a glance

9 of 29 specs differ
Diameter
Caloura 300m42mm
Deep Gray 30042mm
Power Reserve
Caloura 300m40h
Deep Gray 30040h
Water Resistance
Caloura 300m300m
Deep Gray 300300m
MSRP
Caloura 300m$275
Deep Gray 300$258

Full specifications

Case

5 specs
Category
Diver
Diameter
42mm
42mm
Thickness
13.9mm
13.8mm
Lug-to-Lug
44.20mm
52mm
Lug Width
22mm
22mm

Crystal & Dial

2 specs
Dial Color
Black
Lume
BGW9
None

Movement

1 specs
Caliber
NH35
Seiko NH35

Pricing

1 specs
MSRP
$275
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