Which is cheaper, the Marathon Arctic OSAR 46mm Automatic or the Grand Seiko STGK007?

At MSRP the Marathon Arctic OSAR 46mm Automatic is the cheaper of the two at $2,500, against $6,200 for the Grand Seiko STGK007 — a $3,700 gap before any retailer discounting.

Which is bigger, the Marathon Arctic OSAR 46mm Automatic or the Grand Seiko STGK007?

The Marathon Arctic OSAR 46mm Automatic wears larger at 46mm versus 27.8mm for the Grand Seiko STGK007 — a 18.2mm difference across the dial.

Which has better water resistance, the Marathon Arctic OSAR 46mm Automatic or the Grand Seiko STGK007?

The Marathon Arctic OSAR 46mm Automatic is rated to 300m versus 100m for the Grand Seiko STGK007.

Which has a longer power reserve, the Marathon Arctic OSAR 46mm Automatic or the Grand Seiko STGK007?

The Grand Seiko STGK007 carries a 50-hour power reserve against 40 hours on the Marathon Arctic OSAR 46mm Automatic.

What movement does the Marathon Arctic OSAR 46mm Automatic run compared to the Grand Seiko STGK007?

Both watches run automatic movements — the Marathon Arctic OSAR 46mm Automatic uses the Sellita SW220-1 and the Grand Seiko STGK007 uses the 9S27.

Side by side

Marathon Arctic OSAR 46mm AutomaticvsGrand Seiko STGK007

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 STGK007

stgk007g

MSRP $6,200

At a glance

12 of 29 specs differ

Diameter

Arctic OSAR 46mm Automatic46mm

STGK00727.8mm

Power Reserve

Arctic OSAR 46mm Automatic40h

STGK00750h

Water Resistance

Arctic OSAR 46mm Automatic300m

STGK007100m

MSRP

Arctic OSAR 46mm Automatic$2,500

STGK007$6,200

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

White

Black

Movement

2 specs

Caliber

Sellita SW220-1

9S27

Power Reserve

40h

50h

Pricing

1 specs

MSRP

$2,500

$6,200

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