Which is cheaper, the Marathon Arctic OSAR 36mm Automatic or the Grand Seiko SBGX363?

At MSRP the Marathon Arctic OSAR 36mm Automatic is the cheaper of the two at $1,200, against $3,600 for the Grand Seiko SBGX363 — a $2,400 gap before any retailer discounting.

Which is bigger, the Marathon Arctic OSAR 36mm Automatic or the Grand Seiko SBGX363?

The Marathon Arctic OSAR 36mm Automatic wears larger at 36mm versus 32.3mm for the Grand Seiko SBGX363 — a 3.7mm difference across the dial.

Which has better water resistance, the Marathon Arctic OSAR 36mm Automatic or the Grand Seiko SBGX363?

The Marathon Arctic OSAR 36mm Automatic is rated to 300m versus 100m for the Grand Seiko SBGX363.

What movement does the Marathon Arctic OSAR 36mm Automatic run compared to the Grand Seiko SBGX363?

The Marathon Arctic OSAR 36mm Automatic runs a automatic caliber (Sellita SW220-1), while the Grand Seiko SBGX363 runs a quartz (9F51).

Side by side

Marathon Arctic OSAR 36mm AutomaticvsGrand Seiko SBGX363

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

Marathon Arctic OSAR 36mm Automatic

36mm-arctic-original-sar-w-date-on-3-piece-rubber-strap-kit-osar-d

MSRP $1,200

Grand Seiko SBGX363

sbgx363g

MSRP $3,600

At a glance

12 of 29 specs differ

Diameter

Arctic OSAR 36mm Automatic36mm

SBGX36332.3mm

Power Reserve

Arctic OSAR 36mm Automatic40h

SBGX36340h

Water Resistance

Arctic OSAR 36mm Automatic300m

SBGX363100m

MSRP

Arctic OSAR 36mm Automatic$1,200

SBGX363$3,600

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

White

Black

Movement

2 specs

Caliber

Sellita SW220-1

9F51

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$1,200

$3,600

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