Side by side
Borealis Watch Co. Caloura 300mvsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Caloura 300m42mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Caloura 300m40h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Caloura 300m300m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Caloura 300m$275
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250
Full specifications
Case
5 specsDiameter
42mm
46mm
Thickness
13.9mm
18mm
Lug-to-Lug
44.20mm
55mm
Lug Width
22mm
22mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)
Crystal & Dial
2 specsDial Color
Black
Anthracite
Lume
BGW9
None
Movement
1 specsCaliber
NH35
Sellita SW220-1
Pricing
1 specsMSRP
$275
$3,250
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