| Brand | Atlantic | 
|---|---|
| Collection | seaport | 
| Model | 56555.41.21 | 
| Gender/Type | Men | 
| Watch Style | Classic | 
| Movement | Quartz | 
| Impermeability | 50 M (165 Foot) | 
| Weight | 124 | 
| Case | Steel | 
| Case Colour | Silvery, Steel | 
| Glass | Sapphire | 
| Clock Face | Analog, Indices | 
| Dial Colour | White | 
| Strap/Bracelet Material | Stainless steel, Steel | 
| Strap/Bracelet Colour | Silvery | 
| Functions | Date, Moon phase |