Side by side

Borealis Watch Co. Caloura 300mvsZelos Spearfish GMT

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
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

11 of 29 specs differ
Diameter
Caloura 300m42mm
Spearfish GMT40mm
Power Reserve
Caloura 300m40h
Spearfish GMT40h
Water Resistance
Caloura 300m300m
Spearfish GMT200m
MSRP
Caloura 300m$275
Spearfish GMT$999

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
42mm
40mm
Thickness
13.9mm
13mm
Lug-to-Lug
44.20mm
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Frost
Lume
BGW9
None

Movement

1 specs
Caliber
NH35
Sellita SW330-2

Pricing

1 specs
MSRP
$275
$999

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