Side by side

Marathon Arctic OSAR 41mm AutomaticvsNodus Duality II

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
Duality II
NodusDuality II
MSRP $875

At a glance

13 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Duality II40mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Duality II41h
Water Resistance
Arctic OSAR 41mm Automatic300m
Duality II300m
MSRP
Arctic OSAR 41mm Automatic$1,800
Duality II$875

Full specifications

Case

5 specs
Diameter
41mm
40mm
Thickness
13mm
11.5mm
Lug-to-Lug
43.5mm
48mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Yes
Dial Color
White
Lume
None
Swiss Super-LumiNova® BGW9 Grade A

Movement

3 specs
Caliber
Sellita SW220-1
Miyota Cal.9015 Premium Automatic
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$1,800
$875

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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.

Nodus Duality II

Owners widely praise the Nodus Duality II for its refined dial construction, improved proportions, and wearability with a thinner 11.5mm case. The dual-crown functionality for movement and internal rotating bezel is a key feature, alongside 300 meters of water resistance and a durable three-link bracelet with the NodeX extension. The Miyota Cal. 9015 movement is noted, with some owners preferring Nodus finishing over alternatives. One owner finds the Nodus Duality II overpriced at $868, citing a loud rotor and lower-quality bracelet, while others argue US assembly, the movement, and the internal bezel justify the cost. On balance, owners and reviewers rate the Nodus Duality II highly for its refined design and wearability at its price point.

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