A. Lange & Söhne Lange 1a
| Brand | A. Lange & Söhne |
| Name | Lange 1a |
| Reference | 112.02 |
| Diameter | 39 mm |
| Material | Yellow Gold Case, Leather Strap |
| Features | Date, Big Date, Power Reserve Indicator, Small Seconds |
| Movement | Manual Mechanical |
| Brand | A. Lange & Söhne |
| Name | Lange 1a |
| Reference | 112.02 |
| Diameter | 39 mm |
| Material | Yellow Gold Case, Leather Strap |
| Features | Date, Big Date, Power Reserve Indicator, Small Seconds |
| Movement | Manual Mechanical |
