Side by side

Marathon Arctic OSAR 41mm AutomaticvsSpinnaker Dumas GMT

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
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

8 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Dumas GMT44mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Dumas GMT40h
Water Resistance
Arctic OSAR 41mm Automatic300m
Dumas GMT300m
MSRP
Arctic OSAR 41mm Automatic$1,800
Dumas GMT$399

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
41mm
44mm
Thickness
13mm
15mm
Lug-to-Lug
43.5mm
48mm
Lug Width
18mm
22mm

Crystal & Dial

1 specs
Dial Color
White
Blue

Movement

1 specs
Caliber
Sellita SW220-1
Seiko NH34A

Pricing

1 specs
MSRP
$1,800
$399

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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 Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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