Side by side

Marathon Arctic OSAR 46mm AutomaticvsSeiko Prospex Rotocall

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
Prospex Rotocall
SeikoProspex Rotocall
MSRP $550

At a glance

11 of 29 specs differ
Diameter
Arctic OSAR 46mm Automatic46mm
Prospex Rotocall37mm
Power Reserve
Arctic OSAR 46mm Automatic40h
Prospex Rotocall40h
Water Resistance
Arctic OSAR 46mm Automatic300m
Prospex Rotocall100m
MSRP
Arctic OSAR 46mm Automatic$2,500
Prospex Rotocall$550

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
46mm
37mm
Thickness
13mm
10.6mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
Dial Color
White
Black

Movement

2 specs
Caliber
Sellita SW220-1
A824
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$2,500
$550

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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 Prospex Rotocall

Owners widely praise the Seiko Prospex Rotocall for its charismatic retro design and comfortable 37mm size, with many appreciating its space-faring heritage. However, multiple sources criticize its price point, suggesting it is too high for an all-digital quartz watch with features like a stamped clasp, mineral crystal, and standard quartz movement. Some owners also note drawbacks such as a flimsy battery mount and split pin bracelet construction. On balance, owners and reviewers find the Seiko Prospex Rotocall visually appealing and a faithful re-release, but its value proposition is frequently questioned due to its price.

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