Seiko Grand Seiko
| Brand | Seiko |
| Name | Grand Seiko |
| Reference | SBGM023 |
| Diameter | 40 mm |
| Material | Stainless Steel Case, Stainless Steel Strap |
| Features | Date, GMT, Central Seconds Hand, Water resistant to 100 ft |
| Movement | Automatic Self-Winding Mechanical Power Reserve 72 hours |
