Side by side
Marathon Arctic OSAR 41mm AutomaticvsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Arctic OSAR 41mm Automatic41mm
Reef Mariana40mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Reef Mariana—
Water Resistance
Arctic OSAR 41mm Automatic300m
Reef Mariana200m
MSRP
Arctic OSAR 41mm Automatic$1,800
Reef Mariana$449
Full specifications
Case
7 specsCategory
Diver
—
Diameter
41mm
40mm
Thickness
13mm
13.2mm
Lug-to-Lug
43.5mm
47.5mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
White
Orange
Lume
None
BGW9
Movement
2 specsCaliber
Sellita SW220-1
Seiko NH35
Power Reserve
40h
—
Pricing
1 specsMSRP
$1,800
$449
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