Men's IWC Portuguese watch model IW5001-01 with an article number of 1153482. Case diameter is 42.3mm crafted from warm 18K rose gold. Silver dial features slim Arabic numerals, a railway style minute track and feuille hands for clean legibility and elegance. Includes a small seconds subdial at nine o'clock and power reserve indicator opposite the date aperture. Powered by in house calibre 51011 movement providing an impressive seven day power reserve. Exhibition case back reveals finishing details. Discontinued model highly sought after by collectors valuing enduring craftsmanship over fleeting trends.