What movement does the Marathon GSAR (Government Search & Rescue) Diver's Automatic run compared to the Sheffield Deep Gray 300?

Both watches run automatic movements — the Marathon GSAR (Government Search & Rescue) Diver's Automatic uses the Sellita SW200-1 and the Sheffield Deep Gray 300 uses the Seiko NH35.

Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSheffield Deep Gray 300

Q: Which is cheaper, the Marathon GSAR (Government Search & Rescue) Diver's Automatic or the Sheffield Deep Gray 300?

At MSRP the Sheffield Deep Gray 300 is the cheaper of the two at $258, against $2,100 for the Marathon GSAR (Government Search & Rescue) Diver's Automatic — a $1,842 gap before any retailer discounting.

Q: Which is bigger, the Marathon GSAR (Government Search & Rescue) Diver's Automatic or the Sheffield Deep Gray 300?

The Sheffield Deep Gray 300 wears larger at 42mm versus 41mm for the Marathon GSAR (Government Search & Rescue) Diver's Automatic — a 1mm difference across the dial.

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

Add a watch

Marathon GSAR (Government Search & Rescue) Diver's Automatic

41mm-anthracite-large-divers-automatic-gsar-bdw

MSRP $2,100

Sheffield Deep Gray 300

deep-gray-300

MSRP $258

At a glance

9 of 29 specs differ

Diameter

GSAR (Government Search & Rescue) Diver's Automatic41mm

Deep Gray 30042mm

Power Reserve

GSAR (Government Search & Rescue) Diver's Automatic40h

Deep Gray 30040h

Water Resistance

GSAR (Government Search & Rescue) Diver's Automatic300m

Deep Gray 300300m

MSRP

GSAR (Government Search & Rescue) Diver's Automatic$2,100

Deep Gray 300$258

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

Anthracite

—

Movement

1 specs

Caliber

Sellita SW200-1

Seiko NH35

Pricing

1 specs

MSRP

$2,100

—

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Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSheffield Deep Gray 300

At a glance

Full specifications

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