The Vacheron Constantin Overseas Chronograph 5520V/210A-B148 features a 42.5mm stainless steel case, a translucent blue-lacquered dial, and an interchangeable bracelet system. Powered by the in-house self-winding caliber 5200 chronograph movement with a 52-hour power reserve, this timepiece is in excellent condition and comes complete with its box and papers.