Grand Seiko 9R31 watches

Showing 5 of 5 references. Specifications come from manufacturer product pages; prices from affiliate marketplaces.

Movement

Spring Drive

Power reserve

72h

Shared by every listed watch with this movement

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Movement

Availability

Case diameter

–

38.5 – 40 mm

Reference	Case diameter	Water resistance	Status	Best price
SBGY002 Grand Seiko · Elegance Collection	38.5mm	Splash resistant	Availability unknown	—
SBGY007 Grand Seiko · Elegance Collection	38.5mm	Splash resistant	Availability unknown	—
SBGY011 Grand Seiko · Heritage Collection	40mm	100 m	Availability unknown	—
SBGY013 Grand Seiko · Elegance Collection	38.5mm	Splash resistant	Availability unknown	—
SBGY043 Grand Seiko · Elegance Collection	38.5mm	Splash resistant	Availability unknown	—