Side by side

Marathon Arctic OSAR 46mm AutomaticvsSpinnaker Bradner GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Arctic OSAR 46mm Automatic
MarathonArctic OSAR 46mm Automatic
MSRP $2,500
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

9 of 29 specs differ
Diameter
Arctic OSAR 46mm Automatic46mm
Bradner GMT42mm
Power Reserve
Arctic OSAR 46mm Automatic40h
Bradner GMT40h
Water Resistance
Arctic OSAR 46mm Automatic300m
Bradner GMT180m
MSRP
Arctic OSAR 46mm Automatic$2,500
Bradner GMT$299

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
46mm
42mm
Thickness
13mm
15mm
Lug-to-Lug
43.5mm
50mm
Lug Width
18mm
22mm
Water Resistance
300m
180m

Crystal & Dial

1 specs
Dial Color
White
Brown

Movement

1 specs
Caliber
Sellita SW220-1
Seiko NH34A

Pricing

1 specs
MSRP
$2,500
$299

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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 46mm Automatic

Owners widely praise the Marathon Arctic OSAR 46mm Automatic for its overbuilt toughness and industrial, instrument-like aesthetic, with some preferring the Arctic dial for legibility. One owner notes the automatic movement may be unnecessary for rough use compared to a quartz option. Reviewers mention the MaraGlo luminous paint and a Sellita SW200-1 automatic movement. Some owners question its rising price and luxury positioning, with one reporting poor lume and movement performance. Overall, owners value the Marathon Arctic OSAR 46mm Automatic for its robust build and utilitarian design.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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