Side by side

Marathon Arctic OSAR 46mm AutomaticvsSeiko Coutura

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
Coutura
SeikoCoutura
MSRP $625

At a glance

13 of 29 specs differ
Diameter
Arctic OSAR 46mm Automatic46mm
Coutura45.3mm
Power Reserve
Arctic OSAR 46mm Automatic40h
Coutura40h
Water Resistance
Arctic OSAR 46mm Automatic300m
Coutura100m
MSRP
Arctic OSAR 46mm Automatic$2,500
Coutura$625

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
46mm
45.3mm
Thickness
13mm
11.5mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
12mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW220-1
8B92
Type
Automatic
Quartz
Jewels
25
10

Pricing

1 specs
MSRP
$2,500
$625

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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.

Seiko Coutura

Owners widely report the Seiko Coutura's metal treatments are very wear-resistant, with one owner noting minimal scratching after six years. Reviewers and owners appreciate its solar-powered movement, perpetual calendar, and radio sync features, with some finding its unique, futuristic styling captivating and a great value, while others describe the dial as too busy or gaudy. Some owners find the watch large and complicated to set initially, and one owner experienced issues with the solar power reserve requiring constant light exposure. On balance, owners and reviewers rate the Seiko Coutura well for its durable construction and practical solar and perpetual calendar features, despite polarizing design opinions.

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