Side by side

Marathon Arctic OSAR 41mm AutomaticvsSpinnaker Spence 300

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
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

7 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Spence 30040mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Spence 30040h
Water Resistance
Arctic OSAR 41mm Automatic300m
Spence 300300m
MSRP
Arctic OSAR 41mm Automatic$1,800
Spence 300$650

Full specifications

Case

4 specs
Diameter
41mm
40mm
Thickness
13mm
11.5mm
Lug-to-Lug
43.5mm
48mm
Lug Width
18mm
20mm

Crystal & Dial

1 specs
Dial Color
White
Aquamarine

Movement

1 specs
Caliber
Sellita SW220-1
SII NH35A

Pricing

1 specs
MSRP
$1,800
$650

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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 Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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