Waterman Hemisphere Essential Mars Ball Pen - Black with Gold Trim Waterman Hemisphere Black Gold Trim Ballpoint Pen, a pure, simple, timeless line. Hemisphere both highly practical and discreet slides, unnoticed, into a pocket, bag or diary. A design that combines natural, seductive elegance with true magnetism. Comfortable and brilliantly designed. A twist-action ballpoint pen. A signature design statement with slim refined parallel lines and the WATERMAN W logo. Subtle sophistication with a clean contemporary design and crafted quality. Refined details frame a creatively practical slim shape. The Hemisphere line gives the style polish and elegance that fits in an anytime anywhere situation.