Vintage Explorer The Sea-Dweller was created for the most demanding underwater environments, a professional-grade instrument that has earned its place in the history of deep-sea exploration. This 40mm vintage model reflects that tradition, combining strength with uncompromising accuracy. Its Oystersteel case, black dial, and Plexiglas crystal underscore its authentic character. Technical Assurance Powered by the calibre 1575 with a 48-hour power reserve, this reference features a rotatable 60-minute bezel and Fliplock clasp for security. Its enduring design underscores its historic significance.