Seiko Grand Seiko Spring Drive
| Brand | Seiko |
| Name | Grand Seiko Spring Drive |
| Reference | SBGD001 |
| Diameter | 43 mm |
| Material | Platinum Case, Leather Strap |
| Features | No date, Central Seconds Hand, Water resistant to 300 ft |
| Movement | Springdrive Power Reserve 8 days |
