Exact reference

Grand Seiko Manual-winding / 18k yellow gold

SLGW004 2024–present or unrecorded end
Case

Dimensions and fit

direct
Case length38.8 mm
Case width / diameter38.8 mm
Case thickness10.4 mm
Lug-to-lug43.7 mm
Lug widthNot recorded
Water resistanceNot recorded

The dimension basis is not currently recorded.

Open dimension source ↗
Movement

Calibre and mechanism

Manual
Calibre9SA4
Normalized calibre9SA4
GenerationHi-Beat Manual
Power reserveNot recorded
Open movement source ↗
Technical data

Conventional winding

Not applicable

This movement is not assigned a motor-winder programme in the Watch Library.

Conventional winding fields are evidence-linked reference data. They are separate from any device-specific axial-control profile.

Open winding source ↗
Market context

Market-value disposition

Date not recorded

No exact-reference public market estimate has been admitted for this record.

Market observations are separate from manufacturer specifications and are not used to fill technical gaps.