Seiko Astron
| Brand | Seiko |
| Name | Astron |
| Reference | SAST017 |
| Diameter | 47 mm |
| Material | Titanium Case, Titanium Strap, Ceramic Bezel |
| Features | Date, Perpetual Calendar, GMT, World Time, Central Seconds Hand, Water resistant to 300 ft |
| Movement | Other |
| Brand | Seiko |
| Name | Astron |
| Reference | SAST017 |
| Diameter | 47 mm |
| Material | Titanium Case, Titanium Strap, Ceramic Bezel |
| Features | Date, Perpetual Calendar, GMT, World Time, Central Seconds Hand, Water resistant to 300 ft |
| Movement | Other |
