Brand: IWC (International Watch Company) Design: Porsche Design Model: Ref. 3310 Country of Manufacture: Switzerland (Swiss Made) Year: 1980s Movement: Automatic Case Material: Titanium Case Diameter: Approx. 34–36 mm (excluding crown) Dial: Black with red seconds hand Crystal: Mineral or sapphire (likely mineral) Bracelet: Integrated titanium bracelet with Porsche Design logo Wrist Size: Fits up to approx. 17.5–18 cm (no extra links included) Clasp: Fold-over clasp marked "Swiss Made" Case Back: Screw-down back engraved with "Porsche Design – Made by IWC – Titanium" and serial number Condition: Good vintage condition with signs of wear Working Order: [Insert: "Fully functional" / "Running but may need regulation" / "Needs service"] Notable Features: Pioneering titanium case and bracelet Collectible collaboration between IWC and Porsche Design Minimalist Bauhaus-inspired aesthetic Among the first watches made entirely of titanium Collector's Notes: The Porsche Design by IWC Ref. 3310 is considered an iconic piece from the 1980s, combining cutting-edge materials and industrial design. Designed by Ferdinand A. Porsche and engineered by IWC, this timepiece broke new ground with its full-titanium construction and clean, modernist lines. It remains highly sought after by collectors of vintage Swiss watches, automotive design enthusiasts, and fans of minimalist aesthetics. This is more than a watch – it's a piece of horological and design history.