| Brand | Longines |
| Name | Istituto Idrografico Marina |
| Reference | L2.677.4.53.2 |
| Diameter | 41 mm |
| Material | Stainless Steel Case, Leather Strap |
| Features | Chronograph, Bicompax, No date, Water resistant to 100 ft |
| Movement | Automatic Self-Winding Mechanical Power Reserve 42 hours |