| Lange & Sohne Watch Index | Internet Wristwatch Index | How to regulate mechanical watches |
| Calibre | Case | Strap | Dial | Diameter (mm) |
Height (mm) |
Model Number |
| L031.1 | 18-carat gold | croc | champagne | 41.9 | 11 | 116.021 |
| L031.1 | platinum | croc | silver | 41.9 | 11 | 116.025 |
| L031.1 | 18-carat pink gold | croc | silver | 41.9 | 11 | 116.032 |
| L031.1 | 18-carat gold | 18-carat gold | light champagne | 41.9 | 11 | 116.321 |
| Link to Lange 1 Time Zone section of A. Lange & Sohne website |