The Grand Seiko SBGR305 is a Mechanical Automatic watch introduced in 2017. The Brilliant Hard Titanium case houses the 9S68 movement. The movement-case reference is 9S68-00A0.

| Ref. | SBGR305 |
| Case-movement ref. | 9S68-00A0 |
| Year | 2017 |
| Caliber | 9S68 |
| Type | Mechanical Automatic |
| Material | Brilliant Hard Titanium |
| Limited | 968 |
Watches with the same movement

SBGR307
Case reference: 9S68-00B0
Type: Mechanical Automatic
Movement: 9S68
Case material: Stainless Steel
Year: 2018

SBGR309
Case reference: 9S68-00B0
Type: Mechanical Automatic
Movement: 9S68
Case material: Stainless Steel
Year: 2018

SBGR311
Case reference: 9S68-00C0
Type: Mechanical Automatic
Movement: 9S68
Case material: Stainless Steel
Year: 2018

SBGR319
Case reference: 9S68-00D0
Type: Mechanical Automatic
Movement: 9S68
Case material: Stainless Steel
Year: 2019