A. Lange & Söhne Lange 31
| Brand | A. Lange & Söhne |
| Name | Lange 31 |
| Reference | 130.03 |
| Diameter | 46 mm |
| Material | Platinum Case, Leather Strap |
| Features | Date, Big Date, Power Reserve Indicator, Small Seconds |
| Movement | Manual Mechanical Power Reserve 31 days |
| Price | About $167,308 France - about €120,800 |
