Which has better water resistance, the Marathon OSAR-D (Original SAR with Date) Automatic 46mm or the Grand Seiko SBGA384?

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is rated to 300m versus 100m for the Grand Seiko SBGA384.

Which has a longer power reserve, the Marathon OSAR-D (Original SAR with Date) Automatic 46mm or the Grand Seiko SBGA384?

The Grand Seiko SBGA384 carries a 72-hour power reserve against 40 hours on the Marathon OSAR-D (Original SAR with Date) Automatic 46mm.

What movement does the Marathon OSAR-D (Original SAR with Date) Automatic 46mm run compared to the Grand Seiko SBGA384?

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm runs a automatic caliber (Sellita SW220-1), while the Grand Seiko SBGA384 runs a spring drive (9R15).

Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsGrand Seiko SBGA384

Q: Which is cheaper, the Marathon OSAR-D (Original SAR with Date) Automatic 46mm or the Grand Seiko SBGA384?

At MSRP the Marathon OSAR-D (Original SAR with Date) Automatic 46mm is the cheaper of the two at $2,500, against $29,500 for the Grand Seiko SBGA384 — a $27,000 gap before any retailer discounting.

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

Marathon OSAR-D (Original SAR with Date) Automatic 46mm

46mm-original-sar-w-date-on-3-piece-rubber-strap-kit-osar-d

MSRP $2,500

Grand Seiko SBGA384

sbga384g

MSRP $29,500

At a glance

12 of 29 specs differ

Diameter

OSAR-D (Original SAR with Date) Automatic 46mm46mm

SBGA38440mm

Power Reserve

OSAR-D (Original SAR with Date) Automatic 46mm40h

SBGA38472h

Water Resistance

OSAR-D (Original SAR with Date) Automatic 46mm300m

SBGA384100m

MSRP

OSAR-D (Original SAR with Date) Automatic 46mm$2,500

SBGA384$29,500

Full specifications

Case

7 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

3 specs

Caliber

Sellita SW220-1

9R15

Type

Automatic

Spring Drive

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$2,500

$29,500

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