Side by side

Marathon Arctic OSAR 36mm AutomaticvsZelos Helica

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Arctic OSAR 36mm Automatic
MarathonArctic OSAR 36mm Automatic
MSRP $1,200
Helica
ZelosHelica
MSRP $499

At a glance

8 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
Helica39mm
Power Reserve
Arctic OSAR 36mm Automatic40h
Helica40h
Water Resistance
Arctic OSAR 36mm Automatic300m
Helica100m
MSRP
Arctic OSAR 36mm Automatic$1,200
Helica$499

Full specifications

Case

5 specs
Diameter
36mm
39mm
Thickness
13mm
10.5mm
Lug-to-Lug
43.5mm
39mm
Lug Width
18mm
20mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
White
39 - Wave MOP

Movement

1 specs
Caliber
Sellita SW220-1
Miyota 9015

Pricing

1 specs
MSRP
$1,200
$499

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Marathon Arctic OSAR 36mm Automatic

The Marathon Arctic OSAR 36mm Automatic is noted for its non-tritium dial option, though some owners prefer the 1-12 numeral layout found on other models. One owner found the 36mm size too small for their wrist. Overall, owners appreciate the Marathon Arctic OSAR 36mm Automatic for its non-tritium dial option.

Zelos Helica

Owners widely praise the Zelos Helica for its stunning, often color-shifting dials, with specific mentions of the MoP, slate grey, 'Steel Blue', and red opal variants being particularly captivating and artful. The 39mm case size is noted as fitting well on smaller wrists, and the overall build quality and finishing for the price are frequently highlighted as impressive, with one owner calling it "a lot of watch for the price." Some owners appreciate the novel bracelet designs and full lume dials, while others find the bracelet and clasp edges sharp or the clasp lacking on-the-fly adjustment. Opinions on the date window are mixed, with one owner disliking it. The Zelos Helica Moonphase was considered cluttered by one owner, and its $1K USD price point was felt to be steep by another, though popular variants sold out rapidly. Overall, owners rate the Zelos Helica highly for its striking dial designs and impressive value proposition.

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