Eternity Interchangeable Cufflinks (Black Set A)Eternity series cufflinks are constructed of more than 10 components within a tight space of just 20mm, consisting full titanium case, ceramic ring and one of mens favourites mechanical watch rotor. Featuring patented interchangeable front face, the watch rotor can be instantly interchanged with an hourglass with ceramic ring to match and elevate your appearance. SPECIFICATIONS: Materials: Titanium, carbon fibre, ceramic ring Features: Interchangeable