Which has better water resistance, the Marathon MSAR (Medium Search & Rescue) Diver's Automatic or the Grand Seiko SBGW306?

The Marathon MSAR (Medium Search & Rescue) Diver's Automatic is rated to 300m versus 100m for the Grand Seiko SBGW306.

Which has a longer power reserve, the Marathon MSAR (Medium Search & Rescue) Diver's Automatic or the Grand Seiko SBGW306?

The Grand Seiko SBGW306 carries a 72-hour power reserve against 40 hours on the Marathon MSAR (Medium Search & Rescue) Diver's Automatic.

What movement does the Marathon MSAR (Medium Search & Rescue) Diver's Automatic run compared to the Grand Seiko SBGW306?

The Marathon MSAR (Medium Search & Rescue) Diver's Automatic runs a automatic caliber (Sellita SW200-1), while the Grand Seiko SBGW306 runs a manual (9S64).

Side by side

Marathon MSAR (Medium Search & Rescue) Diver's AutomaticvsGrand Seiko SBGW306

Q: Which is cheaper, the Marathon MSAR (Medium Search & Rescue) Diver's Automatic or the Grand Seiko SBGW306?

At MSRP the Marathon MSAR (Medium Search & Rescue) Diver's Automatic is the cheaper of the two at $1,800, against $17,900 for the Grand Seiko SBGW306 — a $16,100 gap before any retailer discounting.

Q: Which is bigger, the Marathon MSAR (Medium Search & Rescue) Diver's Automatic or the Grand Seiko SBGW306?

The Grand Seiko SBGW306 wears larger at 36.5mm versus 36mm for the Marathon MSAR (Medium Search & Rescue) Diver's Automatic — a 0.5mm difference across the dial.

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

Marathon MSAR (Medium Search & Rescue) Diver's Automatic

arctic-edition-medium-divers-automatic-msar-auto-with-stainless-steel-bracelet-36mm

MSRP $1,800

Grand Seiko SBGW306

sbgw306j

MSRP $17,900

At a glance

12 of 29 specs differ

Diameter

MSAR (Medium Search & Rescue) Diver's Automatic36mm

SBGW30636.5mm

Power Reserve

MSAR (Medium Search & Rescue) Diver's Automatic40h

SBGW30672h

Water Resistance

MSAR (Medium Search & Rescue) Diver's Automatic300m

SBGW306100m

MSRP

MSAR (Medium Search & Rescue) Diver's Automatic$1,800

SBGW306$17,900

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

White

Black

Movement

3 specs

Caliber

Sellita SW200-1

9S64

Type

Automatic

Manual

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$1,800

$17,900

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