Which is cheaper, the Marathon Steel Navigator SSNAV-D Quartz or the Grand Seiko SBGD223?

At MSRP the Marathon Steel Navigator SSNAV-D Quartz is the cheaper of the two at $1,300, against $320,000 for the Grand Seiko SBGD223 — a $318,700 gap before any retailer discounting.

Which is bigger, the Marathon Steel Navigator SSNAV-D Quartz or the Grand Seiko SBGD223?

The Grand Seiko SBGD223 wears larger at 44.5mm versus 41mm for the Marathon Steel Navigator SSNAV-D Quartz — a 3.5mm difference across the dial.

Which has better water resistance, the Marathon Steel Navigator SSNAV-D Quartz or the Grand Seiko SBGD223?

The Grand Seiko SBGD223 is rated to 100m versus 60m for the Marathon Steel Navigator SSNAV-D Quartz.

Which has a longer power reserve, the Marathon Steel Navigator SSNAV-D Quartz or the Grand Seiko SBGD223?

The Grand Seiko SBGD223 carries a 192-hour power reserve against 40 hours on the Marathon Steel Navigator SSNAV-D Quartz.

What movement does the Marathon Steel Navigator SSNAV-D Quartz run compared to the Grand Seiko SBGD223?

The Marathon Steel Navigator SSNAV-D Quartz runs a quartz caliber (Swiss High-Torque Quartz), while the Grand Seiko SBGD223 runs a spring drive (9R01).

Side by side

Marathon Steel Navigator SSNAV-D QuartzvsGrand Seiko SBGD223

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

Marathon Steel Navigator SSNAV-D Quartz

41mm-steel-navigator-w-date-ssnav-d-on-black-3-piece-rubber-strap-kit

MSRP $1,300

Grand Seiko SBGD223

sbgd223j

MSRP $320,000

At a glance

12 of 29 specs differ

Diameter

Steel Navigator SSNAV-D Quartz41mm

SBGD22344.5mm

Power Reserve

Steel Navigator SSNAV-D Quartz40h

SBGD223192h

Water Resistance

Steel Navigator SSNAV-D Quartz60m

SBGD223100m

MSRP

Steel Navigator SSNAV-D Quartz$1,300

SBGD223$320,000

Full specifications

Case

7 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

3 specs

Caliber

Swiss High-Torque Quartz

9R01

Type

Quartz

Spring Drive

Power Reserve

40h

192h

Pricing

1 specs

MSRP

$1,300

$320,000

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