This is an original Steinhart Nav B‑Uhr 44 mm Handaufzug Black, manual-wind, without box or papers. The watch features a matte black dial with large white Arabic numerals and the classic triangle at 12 o’clock, with a small seconds subdial at 9 o’clock. The movement is a ETA/Unitas 6497‑1 manual-wind, known for reliability and durability, decorated with striping, blued screws, and gold-colored gears. The case is brushed stainless steel, with an exhibition caseback engraved “Swiss Made by Steinhart – Stainless Steel.” The original strap is black leather with contrast stitching, 24 mm lug width, designed for comfort and the classic pilot/flieger look. This watch embodies a clean, classic pilot/flieger style, offering excellent legibility and a strong wrist presence, making it a modern tool watch with timeless appeal. Production period: 2020–2024 Reference: 107‑0371