Side by side

Marathon Arctic OSAR 41mm AutomaticvsSpinnaker Challenger Automatic

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
Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289

At a glance

8 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Challenger Automatic42mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Challenger Automatic40h
Water Resistance
Arctic OSAR 41mm Automatic300m
Challenger Automatic200m
MSRP
Arctic OSAR 41mm Automatic$1,800
Challenger Automatic$289

Full specifications

Case

5 specs
Diameter
41mm
42mm
Thickness
13mm
19mm
Lug-to-Lug
43.5mm
49.5mm
Lug Width
18mm
22mm
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
White
Blue

Movement

1 specs
Caliber
Sellita SW220-1
SII NH35A

Pricing

1 specs
MSRP
$1,800
$289

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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.

Spinnaker Challenger Automatic

The Spinnaker Challenger Automatic is widely praised for its fun, playful design, solid build quality, and satisfying bezel action. Owners appreciate the comfortable 42mm DLC-coated case and the thoughtful integration of the Popeye theme, with the character serving as the hour and minute hands. Reviewers note the reliable Seiko NH35 movement and 300m water resistance. Some owners find the blue lume weaker than expected, and the ultra-domed sapphire crystal presents challenges for photography. The thick rubber strap is also cited as difficult to manage. Overall, owners and reviewers rate the Spinnaker Challenger Automatic highly for its unique character integration and solid dive watch fundamentals at its price point.

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