Side by side
Borealis Watch Co. Sea Storm MK2vsMarathon 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
Sea Storm MK241.50mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Sea Storm MK240h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Sea Storm MK2300m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Sea Storm MK2$475
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250
Full specifications
Case
5 specsDiameter
41.50mm
46mm
Thickness
14.15mm
18mm
Lug-to-Lug
48.50mm
55mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)
Crystal & Dial
2 specsDial Color
Black
Anthracite
Lume
BGW9
None
Movement
1 specsCaliber
NH38
Sellita SW220-1
Pricing
1 specsMSRP
$475
$3,250
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