Waterman Serenite Grey Fine Point Fountain Pen - 1739046 Intense, finely brushed titanium coating, bright solid silver in an elegant and harmonious composition of modernity The rhodium-plated 18K solid gold nib is a majestic blend of purity and sensuality. The contrasting surfaces of this delicately chiselled solid silver jewel glint in tribute to nature's magnificent designs. Fine or Medium.