Which is cheaper, the Grand Seiko SBGD223 or the Yema Yachtingraff Seconde/Seconde/?

At MSRP the Yema Yachtingraff Seconde/Seconde/ is the cheaper of the two at $499, against $320,000 for the Grand Seiko SBGD223 — a $319,501 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGD223 or the Yema Yachtingraff Seconde/Seconde/?

The Grand Seiko SBGD223 wears larger at 44.5mm versus 38.5mm for the Yema Yachtingraff Seconde/Seconde/ — a 6mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGD223 or the Yema Yachtingraff Seconde/Seconde/?

The Grand Seiko SBGD223 is rated to 100m versus 50m for the Yema Yachtingraff Seconde/Seconde/.

Which has a longer power reserve, the Grand Seiko SBGD223 or the Yema Yachtingraff Seconde/Seconde/?

The Grand Seiko SBGD223 carries a 192-hour power reserve against 40 hours on the Yema Yachtingraff Seconde/Seconde/.

What movement does the Grand Seiko SBGD223 run compared to the Yema Yachtingraff Seconde/Seconde/?

The Grand Seiko SBGD223 runs a spring drive caliber (9R01), while the Yema Yachtingraff Seconde/Seconde/ runs a quartz.

Side by side

Grand Seiko SBGD223vsYema Yachtingraff Seconde/Seconde/

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

Grand Seiko SBGD223

sbgd223j

MSRP $320,000

Yema Yachtingraff Seconde/Seconde/

yema-yachtingraff-seconde-seconde-ymhf1588-atps

MSRP $499

At a glance

12 of 29 specs differ

Diameter

SBGD22344.5mm

Yachtingraff Seconde/Seconde/38.5mm

Power Reserve

SBGD223192h

Yachtingraff Seconde/Seconde/40h

Water Resistance

SBGD223100m

Yachtingraff Seconde/Seconde/50m

MSRP

SBGD223$320,000

Yachtingraff Seconde/Seconde/$499

Full specifications

Case

6 specs

Diameter

44.5mm

38.5mm

Thickness

14.4mm

13mm

Lug-to-Lug

52mm

—

Lug Width

23mm

19mm

Material

Platinum

316L Stainless Steel

Water Resistance

100m

50m

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Black

Standard

Movement

3 specs

Caliber

9R01

—

Type

Spring Drive

Quartz

Power Reserve

192h

40h

Pricing

1 specs

MSRP

$320,000

$499

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