Side by side
Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsBorealis Watch Co. Sea Storm MK2
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Sea Storm MK241.50mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Sea Storm MK240h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Sea Storm MK2300m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Sea Storm MK2$475
Full specifications
Case
5 specsDiameter
41mm
41.50mm
Thickness
13mm
14.15mm
Lug-to-Lug
43.5mm
48.50mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
1 specsLume
None
BGW9
Movement
1 specsCaliber
Sellita SW220-1
NH38
Pricing
1 specsMSRP
$1,800
$475
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