This Panerai Radiomir 3 Days Acciaio features a 47mm stainless steel case with an engraved bezel reading “Officine Panerai – Brevettato.” The brown dial is adorned with luminous Arabic numerals, providing excellent readability. The watch is powered by a manual wind 21-jewel movement, ensuring reliable performance over a 3-day power reserve. Paired with a calfskin strap, this timepiece, reference PAM00687, showcases Panerai's iconic blend of rugged design and refined craftsmanship.