Which is cheaper, the Grand Seiko SBGD223 or the Yema Navygraf Marine Nationale GMT Paris?

At MSRP the Yema Navygraf Marine Nationale GMT Paris is the cheaper of the two at $944, against $320,000 for the Grand Seiko SBGD223 — a $319,056 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGD223 or the Yema Navygraf Marine Nationale GMT Paris?

The Grand Seiko SBGD223 wears larger at 44.5mm versus 39mm for the Yema Navygraf Marine Nationale GMT Paris — a 5.5mm difference across the dial.

Which has a longer power reserve, the Grand Seiko SBGD223 or the Yema Navygraf Marine Nationale GMT Paris?

The Grand Seiko SBGD223 carries a 192-hour power reserve against 40 hours on the Yema Navygraf Marine Nationale GMT Paris.

What movement does the Grand Seiko SBGD223 run compared to the Yema Navygraf Marine Nationale GMT Paris?

The Grand Seiko SBGD223 runs a spring drive caliber (9R01), while the Yema Navygraf Marine Nationale GMT Paris runs a automatic.

Side by side

Grand Seiko SBGD223vsYema Navygraf Marine Nationale GMT Paris

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

Grand Seiko SBGD223

sbgd223j

MSRP $320,000

Yema Navygraf Marine Nationale GMT Paris

navygraf-marine-nationale-gmt-paris

MSRP $944

At a glance

12 of 29 specs differ

Diameter

SBGD22344.5mm

Navygraf Marine Nationale GMT Paris39mm

Power Reserve

SBGD223192h

Navygraf Marine Nationale GMT Paris40h

Water Resistance

SBGD223100m

Navygraf Marine Nationale GMT Paris100m

MSRP

SBGD223$320,000

Navygraf Marine Nationale GMT Paris$944

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Black

Paris

Movement

3 specs

Caliber

9R01

—

Type

Spring Drive

Automatic

Power Reserve

192h

40h

Pricing

1 specs

MSRP

$320,000

$944

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