Side by side

Marathon Arctic OSAR 41mm AutomaticvsZelos Aurora Moonphase

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

Arctic OSAR 41mm Automatic
MarathonArctic OSAR 41mm Automatic
MSRP $1,800
Aurora Moonphase
ZelosAurora Moonphase
MSRP $949

At a glance

10 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Aurora Moonphase39mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Aurora Moonphase40h
Water Resistance
Arctic OSAR 41mm Automatic300m
Aurora Moonphase200m
MSRP
Arctic OSAR 41mm Automatic$1,800
Aurora Moonphase$949

Full specifications

Case

7 specs
Category
Diver
Moonphase
Diameter
41mm
39mm
Thickness
13mm
12.5mm
Lug-to-Lug
43.5mm
39mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
White
Meteorite

Movement

1 specs
Caliber
Sellita SW220-1
Sellita SW288

Pricing

1 specs
MSRP
$1,800
$949

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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 41mm Automatic

The Marathon Arctic OSAR 41mm Automatic is noted for its comfortable wearability on wrists under 7 inches, with one owner finding the 41mm size perfect. Accuracy observations vary, with one owner reporting a consistent +1 second per day and another noting -20 seconds per day. The watch features a Sellita automatic movement and has dimensions of 14mm thickness and a 48mm lug-to-lug. Overall, owners appreciate the Marathon Arctic OSAR 41mm Automatic for its comfortable fit and Marathon's overall appeal.

Zelos Aurora Moonphase

Owners widely praise Zelos for offering excellent value, solid build quality, and enthusiast-friendly designs, with unique dial variants often selling out quickly. The Zelos Aurora Moonphase is noted as a desirable model, though finding one can be challenging. Some owners find Zelos's designs, including those of the Aurora line, to be too flashy for everyday wear, preferring a more subdued aesthetic. One owner reported their Zelos Aurora Nebula 38mm running at -5.3 seconds per day. Overall, owners rate the Zelos Aurora Moonphase highly for its desirable microbrand status and unique dial appeal.

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