Which is cheaper, the Grand Seiko SBGD223 or the Yema Superman Tourbillon CMM.31 Limited Edition?

At MSRP the Yema Superman Tourbillon CMM.31 Limited Edition is the cheaper of the two at $13,000, against $320,000 for the Grand Seiko SBGD223 — a $307,000 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGD223 or the Yema Superman Tourbillon CMM.31 Limited Edition?

The Grand Seiko SBGD223 wears larger at 44.5mm versus 43mm for the Yema Superman Tourbillon CMM.31 Limited Edition — a 1.5mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGD223 or the Yema Superman Tourbillon CMM.31 Limited Edition?

The Yema Superman Tourbillon CMM.31 Limited Edition is rated to 300m versus 100m for the Grand Seiko SBGD223.

Which has a longer power reserve, the Grand Seiko SBGD223 or the Yema Superman Tourbillon CMM.31 Limited Edition?

The Grand Seiko SBGD223 carries a 192-hour power reserve against 40 hours on the Yema Superman Tourbillon CMM.31 Limited Edition.

What movement does the Grand Seiko SBGD223 run compared to the Yema Superman Tourbillon CMM.31 Limited Edition?

The Grand Seiko SBGD223 runs a spring drive caliber (9R01), while the Yema Superman Tourbillon CMM.31 Limited Edition runs a automatic (Yema CMM.31 Tourbillon).

Side by side

Grand Seiko SBGD223vsYema Superman Tourbillon CMM.31 Limited Edition

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

Grand Seiko SBGD223

sbgd223j

MSRP $320,000

Yema Superman Tourbillon CMM.31 Limited Edition

yema-superman-tourbillon-cmm-31-limited-edition-12-25-31-66-te-mt

MSRP $13,000

At a glance

14 of 29 specs differ

Diameter

SBGD22344.5mm

Superman Tourbillon CMM.31 Limited Edition43mm

Power Reserve

SBGD223192h

Superman Tourbillon CMM.31 Limited Edition40h

Water Resistance

SBGD223100m

Superman Tourbillon CMM.31 Limited Edition300m

MSRP

SBGD223$320,000

Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Yes

Inner

Dial Color

Black

Steel

Movement

3 specs

Caliber

9R01

Yema CMM.31 Tourbillon

Type

Spring Drive

Automatic

Power Reserve

192h

40h

Pricing

1 specs

MSRP

$320,000

$13,000

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