Spring Drive SBGA384
Grand Seiko Spring Drive Self-winding / 18k rose gold
- Movement
- 9R15
- Case width / diameter
- 40 mm
- Thickness
- 12.5 mm
- Years
- 2018–present or unrecorded end
Grand Seiko Spring Drive
47 exact references in this family. 3 currently meet the exact-reference dimension threshold for a page; variant and case differences remain visible at the reference level.
Spring Drive SBGA385
Grand Seiko Spring Drive Platinum / Kirazuri / U.S. Limited Edition
- Movement
- 9R15
- Case width / diameter
- 40 mm
- Thickness
- 12.5 mm
- Years
- 2018–present or unrecorded end
Spring Drive SBGY023
Grand Seiko Spring Drive Manual-winding / Stainless steel
- Movement
- 9R31
- Case width / diameter
- 38.5 mm
- Thickness
- 10.2 mm
- Years
- 2022–present or unrecorded end