Side by side
Marathon Arctic OSAR 41mm AutomaticvsMKII Key West
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Arctic OSAR 41mm Automatic41mm
Key West40mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Key West—
Water Resistance
Arctic OSAR 41mm Automatic300m
Key West200m
MSRP
Arctic OSAR 41mm Automatic$1,800
Key West$1,694
Full specifications
Case
7 specsCategory
Diver
—
Diameter
41mm
40mm
Thickness
13mm
—
Lug-to-Lug
43.5mm
—
Lug Width
18mm
—
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
1 specsDial Color
White
Black
Movement
2 specsCaliber
Sellita SW220-1
ETA 2893-2
Power Reserve
40h
—
Pricing
1 specsMSRP
$1,800
—
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