Skip to content

Grand Seiko

Grand Seiko Spring Drive Ginza dusk SBGA447

The Grand Seiko Spring Drive Ginza dusk (reference SBGA447) is a stainless steel watch with a blue dial. It runs on the spring Drive caliber 9R65 with a 72-hour power reserve. It was introduced in 2021.

Specifications

Case

Reference
SBGA447
Case material
Stainless steel

Dial and bezel

Dial
Blue

Movement

Movement
Spring Drive
Caliber
9R65
Power reserve
72 hours
Jewels
30

Production

Production
2021 – today

Dial versions

This reference was made with these dials and finishes.

  • SBGA447 Blue

    Ginza dusk

Quick answers

What movement does the Grand Seiko Spring Drive Ginza dusk SBGA447 use?
It uses the spring drive caliber 9R65, with a 72-hour power reserve.
When did the Grand Seiko Spring Drive Ginza dusk SBGA447 come out?
It was introduced in 2021.
What is the Grand Seiko Spring Drive Ginza dusk SBGA447 made of?
The case is stainless steel.

Catalog facts checked November 2026.