S.T. Dupont Défi‑Millenium Ballpoint Pen Fluo Blue

Design & Finish: The pen pairs a glossy / lacquered vivid blue body (Fluo-style) with a semi-matte or matte-black trim — giving it a fresh, modern, slightly sporty-luxury look.

Collection & Heritage: Part of the “Défi-Millenium” lineup — a range that combines the classic savoir-faire of the brand with a sporty, modern aesthetic.

Material & Build: Made from brass, giving it a sturdy feel while maintaining an elegant, premium look.

Mechanism & Ink Refills: It uses a standard ballpoint mechanism, likely a twist-action to extend/retract the tip. It contains the easy flow refill, it just glides on the paper.

Manufacturing & Authenticity: It is made in France under the S.T. Dupont “maison” — ensuring the authenticity and luxury craftsmanship associated with the brand.