IWC Portofino Automatic Day & Night 37
| Brand | IWC |
| Name | Portofino Automatic Day & Night 37 |
| Reference | IW459101 |
| Diameter | 37 mm |
| Material | Stainless Steel Case, Leather Strap |
| Features | GMT, 24 Hour Dial, Central Seconds Hand, Water resistant to 100 ft, Day/Night Indicator |
| Movement | Automatic Self-Winding Mechanical Power Reserve 42 hours |
| Price | About $17,866 France - about €12,900 |
