Which is cheaper, the Grand Seiko SBGK006 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 $22,200 for the Grand Seiko SBGK006 — a $9,200 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGK006 or the Yema Superman Tourbillon CMM.31 Limited Edition?

The Yema Superman Tourbillon CMM.31 Limited Edition wears larger at 43mm versus 39mm for the Grand Seiko SBGK006 — a 4mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGK006 or the Yema Superman Tourbillon CMM.31 Limited Edition?

The Yema Superman Tourbillon CMM.31 Limited Edition is rated to 300m versus 30m for the Grand Seiko SBGK006.

Which has a longer power reserve, the Grand Seiko SBGK006 or the Yema Superman Tourbillon CMM.31 Limited Edition?

The Grand Seiko SBGK006 carries a 72-hour power reserve against 40 hours on the Yema Superman Tourbillon CMM.31 Limited Edition.

What movement does the Grand Seiko SBGK006 run compared to the Yema Superman Tourbillon CMM.31 Limited Edition?

The Grand Seiko SBGK006 runs a manual caliber (9S63), while the Yema Superman Tourbillon CMM.31 Limited Edition runs a automatic (Yema CMM.31 Tourbillon).

Side by side

Grand Seiko SBGK006vsYema Superman Tourbillon CMM.31 Limited Edition

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

Grand Seiko SBGK006

sbgk006j

MSRP $22,200

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

SBGK00639mm

Superman Tourbillon CMM.31 Limited Edition43mm

Power Reserve

SBGK00672h

Superman Tourbillon CMM.31 Limited Edition40h

Water Resistance

SBGK00630m

Superman Tourbillon CMM.31 Limited Edition300m

MSRP

SBGK006$22,200

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

9S63

Yema CMM.31 Tourbillon

Type

Manual

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$22,200

$13,000

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