| Lange & Sohne Watch Index | Internet Wristwatch Index | How to regulate mechanical watches |
| Calibre | Case | Strap | Dial | Diameter (mm) |
Height (mm) |
Model Number |
| L901.0 | 18-carat gold | croc | light champagne | 38.5 | 10 | 101.021 |
| L901.0 | 18-carat white gold | croc | grey | 38.5 | 10 | 101.030 |
| L901.0 | 18-carat pink gold | croc | grey | 38.5 | 10 | 101.033 |
| L901.0 | 18-carat pink gold | croc | white | 38.5 | 10 | 101.032 |
| L901.0 | platinum | croc | silver | 38.5 | 10 | 101.025 |
| L901.0 | 18-carat gold | 18-carat gold | light champagne | 38.5 | 10 | 101.321 |
| L901.4 | 18-carat white gold | croc | mother-of-pearl | 38.5 | 10 | 110.030 |
| Link to Lange 1 section of A. Lange & Sohne website |