Which is cheaper, the Grand Seiko STGF387 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 $4,200 for the Grand Seiko STGF387 — a $1,951 gap before any retailer discounting.

Which is bigger, the Grand Seiko STGF387 or the Yema Wristmaster Slim Small Seconds CMM.29?

The Yema Wristmaster Slim Small Seconds CMM.29 wears larger at 39mm versus 26mm for the Grand Seiko STGF387 — a 13mm difference across the dial.

What movement does the Grand Seiko STGF387 run compared to the Yema Wristmaster Slim Small Seconds CMM.29?

The Grand Seiko STGF387 runs a quartz caliber (4J51), while the Yema Wristmaster Slim Small Seconds CMM.29 runs a automatic (Yema CMM.29).

Side by side

Grand Seiko STGF387vsYema Wristmaster Slim Small Seconds CMM.29

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

Grand Seiko STGF387

stgf387g

MSRP $4,200

Yema Wristmaster Slim Small Seconds CMM.29

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

MSRP $2,249

At a glance

8 of 29 specs differ

Diameter

STGF38726mm

Wristmaster Slim Small Seconds CMM.2939mm

Power Reserve

STGF38740h

Wristmaster Slim Small Seconds CMM.2940h

Water Resistance

STGF387100m

Wristmaster Slim Small Seconds CMM.29100m

MSRP

STGF387$4,200

Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

4 specs

Diameter

26mm

39mm

Thickness

8.1mm

9mm

Lug-to-Lug

32.9mm

—

Lug Width

13mm

20mm

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

2 specs

Caliber

4J51

Yema CMM.29

Type

Quartz

Automatic

Pricing

1 specs

MSRP

$4,200

$2,249

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