18ct white gold, Audemars Piguet. The Edward Piguet 46 mm automatic chronograph with date named after one of the founding fathers of the brand is a beautiful timepiece that sets it apart in the Audemars Piguet brand. The square case shape provides a different perspective in Audemars Piguet as opposed to the iconic octagonal Royal oak. The watch provides a dressy and elegant alternative to the Royal oak Offshore with this striking black dial. Case diameter is 31 mm X 36 mm. Model reference:25925BC/O/0001CR/01