Super Robot Taisen OG: Original Generations PTX-003C Alteisen is rendered in a striking red and silver color scheme, with bold armor plates that emphasize its formidable silhouette. The figure features a highly articulated chassis, transforming tooling, and multiple jointed limbs that mirror its screen-accurate modes. Die-cast metal is visible in the chest, shoulders, and leg armor, giving it substantial heft and a convincing weight when posed. The surface is finished with metallic gloss and subtle weathering, highlighting creases and panel lines. Interchangeable hands and weapons slots are included, along with chrome accents on the blade and finlets. A compact, expressive head sculpt completes the iconic look, ready for dynamic battle stances.

Within the Super Robot Taisen OG: Original Generations storyline, PTX-003C Alteisen is a frontline assault unit in the Alteisen family, developed by a coalition of research teams to counter powerful enemy forces. The PTX-003C variant focuses on survivability and aggressive combat. It integrates a reinforced frame, a high-output energy core, and modular weapons capable of both melee and longer-range engagement. Its pilots rely on the Alteisen's momentum and resilience to break through enemy lines, using a combination of devastating blade strikes and energy blasts. The unit embodies OG's theme of collaboration between human pilots, advanced machinery, and strategic battle philosophies.