Grand Seiko Evolution 9 SLGH031

Grand Seiko · Evolution 9

Grand Seiko Evolution 9 SLGH031

Grand Seiko Evolution 9 SLGH031 (reference SLGH031) — specifications, measurements, watch images and standardized wrist-fit previews for informed comparison.

Grand Seiko Evolution 9 SLGH031: 40 mm, luxury sport, automatic, 100 m water resistance.

Best forUsers comparing current Grand Seiko models and 2026 releases.
Not ideal forUsers requiring live street-price or dealer-stock confirmation.
Wearsmedium

At a glance

ReferenceSLGH031
CollectionEvolution 9
Model lineEvolution 9
Production statusCurrent
Production period2026–present
Official size40
Watch technology InfoMechanical
DisplayAnalog
Movement InfoAutomatic
Calibre / operating system Info9SA5
Key features InfoHours, Minutes, Seconds
Case diameter Info40 mm
Power reserve / runtime80 hours
Water resistance100 m
OriginJapan
Recommended wrist Info14–20 cm
Price categoryNot available

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Specifications last verified: 2026-08-11.

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