Side by side
Marathon Arctic OSAR 41mm AutomaticvsHelgray Poseidon Diver (Automatic)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Arctic OSAR 41mm Automatic41mm
Poseidon Diver (Automatic)40mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Poseidon Diver (Automatic)40h
Water Resistance
Arctic OSAR 41mm Automatic300m
Poseidon Diver (Automatic)300m
MSRP
Arctic OSAR 41mm Automatic$1,800
Poseidon Diver (Automatic)$249
Full specifications
Case
5 specsDiameter
41mm
40mm
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
1 specsDial Color
White
Black
Movement
1 specsCaliber
Sellita SW220-1
NH35 Warranty
Pricing
1 specsMSRP
$1,800
$249
Follow this matchup
Get a note when Marathon Arctic OSAR 41mm Automatic vs Helgray Poseidon Diver (Automatic) gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Fortis Marinemaster M-40vsHelgray Poseidon Diver (Automatic)Fortis Marinemaster M-44 DLCvsHelgray Poseidon Diver (Automatic)Fortis Marinemaster M-44vsHelgray Poseidon Diver (Automatic)Geckota Sea-Hunter Dive WatchvsHelgray Poseidon Diver (Automatic)Marathon Arctic OSAR 41mm AutomaticvsGalo Super200 Dark EditionMarathon Arctic OSAR 41mm AutomaticvsVaer D5 Tropic Auto