Omega Constellation 50th Anniversary Diamond Chronograph Certified It has a 36 mm case diameter. It works perfectly and is a rare collector's item. The bracelet length is suitable for wrists up to 19.5 cm. It contains 11 diamonds. The dial bears the Omega hallmark; it is a rare collector's series. It will be shipped with its Omega wooden box. It will be carefully packaged and shipped as soon as possible. Sincerely.