Which is cheaper, the Grand Seiko SBGX363 or the Yema Wristmaster Slim Small Seconds CMM.29?

At MSRP the Yema Wristmaster Slim Small Seconds CMM.29 is the cheaper of the two at $2,249, against $3,600 for the Grand Seiko SBGX363 — a $1,351 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGX363 or the Yema Wristmaster Slim Small Seconds CMM.29?

The Yema Wristmaster Slim Small Seconds CMM.29 wears larger at 39mm versus 32.3mm for the Grand Seiko SBGX363 — a 6.7mm difference across the dial.

What movement does the Grand Seiko SBGX363 run compared to the Yema Wristmaster Slim Small Seconds CMM.29?

The Grand Seiko SBGX363 runs a quartz caliber (9F51), while the Yema Wristmaster Slim Small Seconds CMM.29 runs a automatic (Yema CMM.29).

Side by side

Grand Seiko SBGX363vsYema Wristmaster Slim Small Seconds CMM.29

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

Grand Seiko SBGX363

sbgx363g

MSRP $3,600

Yema Wristmaster Slim Small Seconds CMM.29

yema-wristmaster-slim-cmm-29-76-26-29-05-sn-m

MSRP $2,249

At a glance

7 of 29 specs differ

Diameter

SBGX36332.3mm

Wristmaster Slim Small Seconds CMM.2939mm

Power Reserve

SBGX36340h

Wristmaster Slim Small Seconds CMM.2940h

Water Resistance

SBGX363100m

Wristmaster Slim Small Seconds CMM.29100m

MSRP

SBGX363$3,600

Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

3 specs

Diameter

32.3mm

39mm

Lug-to-Lug

39mm

—

Lug Width

15mm

20mm

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

2 specs

Caliber

9F51

Yema CMM.29

Type

Quartz

Automatic

Pricing

1 specs

MSRP

$3,600

$2,249

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