| Brand | IWC |
| Name | Aquatimer Chronograph Edition «Expedition Charles Darwin» |
| Reference | IW379503 |
| Diameter | 44 mm |
| Material | Other Case, Rubber Strap |
| Features | Chronograph, Bicompax, Date, Small Seconds, Water resistant ≥ 600 ft, Internal rotating bezel, External rotating bezel |
| Movement | Automatic Self-Winding Mechanical Power Reserve 68 hours |