Side by side

Marathon Arctic OSAR 36mm AutomaticvsSpinnaker Challenger Automatic

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
Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289

At a glance

8 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
Challenger Automatic42mm
Power Reserve
Arctic OSAR 36mm Automatic40h
Challenger Automatic40h
Water Resistance
Arctic OSAR 36mm Automatic300m
Challenger Automatic200m
MSRP
Arctic OSAR 36mm Automatic$1,200
Challenger Automatic$289

Full specifications

Case

5 specs
Diameter
36mm
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
$1,200
$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 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.

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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