Vacheron Constantin Overseas 4500V

10 months stainless steel case, sapphire crystal caseback, self-winding mechanism, oscillation rate 28,800 vph, stainless steel buckle, water-resistant to 150 metres. The new “Interchangeable Strap System”, the new Overseas only needs to flick a small stroke between the strap and the lugs to change the strap, and each one can choose a steel strap or a belt, truly achieving a 1:1 replica.