In 1962, Platinum Pen launched Japan’ s first fountain pen that employed a pentagon-shaped gold nib. The same production know-how for such a pen nib is also applied in the PROCYON fountain pen. Its resiliency realizes a writing feel similar to that of a gold nib in spite of being made with stainless steel.

The Slip & Seal Mechanism is also employed for PROCYON. This Platinum Pen’ s unique mechanism enabled a pen with a screw-type cap to offer complete airtightness using the inner cap. It provides smooth writing with fresh ink at any time.