Which is cheaper, the Marathon Arctic OSAR 41mm Automatic or the Grand Seiko STGF387?

At MSRP the Marathon Arctic OSAR 41mm Automatic is the cheaper of the two at $1,800, against $4,200 for the Grand Seiko STGF387 — a $2,400 gap before any retailer discounting.

Which is bigger, the Marathon Arctic OSAR 41mm Automatic or the Grand Seiko STGF387?

The Marathon Arctic OSAR 41mm Automatic wears larger at 41mm versus 26mm for the Grand Seiko STGF387 — a 15mm difference across the dial.

Which has better water resistance, the Marathon Arctic OSAR 41mm Automatic or the Grand Seiko STGF387?

The Marathon Arctic OSAR 41mm Automatic is rated to 300m versus 100m for the Grand Seiko STGF387.

What movement does the Marathon Arctic OSAR 41mm Automatic run compared to the Grand Seiko STGF387?

The Marathon Arctic OSAR 41mm Automatic runs a automatic caliber (Sellita SW220-1), while the Grand Seiko STGF387 runs a quartz (4J51).

Side by side

Marathon Arctic OSAR 41mm AutomaticvsGrand Seiko STGF387

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

Marathon Arctic OSAR 41mm Automatic

41mm-arctic-original-sar-w-date-on-3-piece-rubber-strap-kit-osar-d

MSRP $1,800

Grand Seiko STGF387

stgf387g

MSRP $4,200

At a glance

12 of 29 specs differ

Diameter

Arctic OSAR 41mm Automatic41mm

STGF38726mm

Power Reserve

Arctic OSAR 41mm Automatic40h

STGF38740h

Water Resistance

Arctic OSAR 41mm Automatic300m

STGF387100m

MSRP

Arctic OSAR 41mm Automatic$1,800

STGF387$4,200

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

White

Black

Movement

2 specs

Caliber

Sellita SW220-1

4J51

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$1,800

$4,200

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