Which is cheaper, the Marathon Arctic OSAR 46mm Automatic or the Grand Seiko SBGX355?

At MSRP the Marathon Arctic OSAR 46mm Automatic is the cheaper of the two at $2,500, against $4,100 for the Grand Seiko SBGX355 — a $1,600 gap before any retailer discounting.

Which is bigger, the Marathon Arctic OSAR 46mm Automatic or the Grand Seiko SBGX355?

The Marathon Arctic OSAR 46mm Automatic wears larger at 46mm versus 37mm for the Grand Seiko SBGX355 — a 9mm difference across the dial.

Which has better water resistance, the Marathon Arctic OSAR 46mm Automatic or the Grand Seiko SBGX355?

The Marathon Arctic OSAR 46mm Automatic is rated to 300m versus 100m for the Grand Seiko SBGX355.

What movement does the Marathon Arctic OSAR 46mm Automatic run compared to the Grand Seiko SBGX355?

The Marathon Arctic OSAR 46mm Automatic runs a automatic caliber (Sellita SW220-1), while the Grand Seiko SBGX355 runs a quartz (9F62).

Side by side

Marathon Arctic OSAR 46mm AutomaticvsGrand Seiko SBGX355

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

Marathon Arctic OSAR 46mm Automatic

46mm-arctic-original-sar-w-date-on-3-piece-rubber-strap-kit-osar-d

MSRP $2,500

Grand Seiko SBGX355

sbgx355g

MSRP $4,100

At a glance

12 of 29 specs differ

Diameter

Arctic OSAR 46mm Automatic46mm

SBGX35537mm

Power Reserve

Arctic OSAR 46mm Automatic40h

SBGX35540h

Water Resistance

Arctic OSAR 46mm Automatic300m

SBGX355100m

MSRP

Arctic OSAR 46mm Automatic$2,500

SBGX355$4,100

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

White

Black

Movement

2 specs

Caliber

Sellita SW220-1

9F62

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$2,500

$4,100

Follow this matchup

Get a note when Marathon Arctic OSAR 46mm Automatic vs Grand Seiko SBGX355 gets more votes, a community discussion, or a price drop. No account needed.

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.

Reddit·3

A Blog to Watch

Grand Seiko SBGX355

The Grand Seiko SBGX355 is widely praised for its beautiful dial, excellent finishing, and perfect 37mm size. Owners report unparalleled accuracy from the 9F62 quartz movement, rated to within 10 seconds per year. The high-intensity titanium case and 100m water resistance are noted features. Some consider the SBGX355 a "baby Snowflake" and a more accessible alternative to other models. Overall, owners and reviewers rate the Grand Seiko SBGX355 highly for its iconic Snowflake dial and exceptional quartz accuracy in a wearable 37mm case.

From video reviewers

The titanium case finishing is a significant strength. The deployant clasp is noted as prone to rattle. Reviewers disagree on the ideal case size for everyday wear.

Keep exploring