Seiko Grand Seiko Spring Drive
| Brand | Seiko |
| Name | Grand Seiko Spring Drive |
| Reference | SBGA031 |
| Diameter | 44 mm |
| Material | Titanium Case, Titanium Strap |
| Features | Date, Power Reserve Indicator, Central Seconds Hand, Water resistant ≥ 600 ft, External rotating bezel |
| Movement | Springdrive Power Reserve 72 hours |
| Price | About $9,556 France - about €6,900 |
