Side by side
Borealis Watch Co. Caloura 300mvsZelos Comet 39
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Caloura 300m42mm
Comet 3939mm
Power Reserve
Caloura 300m40h
Comet 3940h
Water Resistance
Caloura 300m300m
Comet 3950m
MSRP
Caloura 300m$275
Comet 39$2,499
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
42mm
39mm
Thickness
13.9mm
7.6mm
Lug-to-Lug
44.20mm
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
Tantalum LE
Lume
BGW9
None
Movement
2 specsCaliber
NH35
ETA/Peseux 7001
Type
Automatic
Manual
Pricing
1 specsMSRP
$275
$2,499
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