Which is cheaper, the Marathon Arctic OSAR 36mm Automatic or the Grand Seiko SBGK006?

At MSRP the Marathon Arctic OSAR 36mm Automatic is the cheaper of the two at $1,200, against $22,200 for the Grand Seiko SBGK006 — a $21,000 gap before any retailer discounting.

Which is bigger, the Marathon Arctic OSAR 36mm Automatic or the Grand Seiko SBGK006?

The Grand Seiko SBGK006 wears larger at 39mm versus 36mm for the Marathon Arctic OSAR 36mm Automatic — a 3mm difference across the dial.

Which has better water resistance, the Marathon Arctic OSAR 36mm Automatic or the Grand Seiko SBGK006?

The Marathon Arctic OSAR 36mm Automatic is rated to 300m versus 30m for the Grand Seiko SBGK006.

Which has a longer power reserve, the Marathon Arctic OSAR 36mm Automatic or the Grand Seiko SBGK006?

The Grand Seiko SBGK006 carries a 72-hour power reserve against 40 hours on the Marathon Arctic OSAR 36mm Automatic.

What movement does the Marathon Arctic OSAR 36mm Automatic run compared to the Grand Seiko SBGK006?

The Marathon Arctic OSAR 36mm Automatic runs a automatic caliber (Sellita SW220-1), while the Grand Seiko SBGK006 runs a manual (9S63).

Side by side

Marathon Arctic OSAR 36mm AutomaticvsGrand Seiko SBGK006

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 SBGK006

sbgk006j

MSRP $22,200

At a glance

13 of 29 specs differ

Diameter

Arctic OSAR 36mm Automatic36mm

SBGK00639mm

Power Reserve

Arctic OSAR 36mm Automatic40h

SBGK00672h

Water Resistance

Arctic OSAR 36mm Automatic300m

SBGK00630m

MSRP

Arctic OSAR 36mm Automatic$1,200

SBGK006$22,200

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

White

Black

Movement

3 specs

Caliber

Sellita SW220-1

9S63

Type

Automatic

Manual

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$1,200

$22,200

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