The Longines Heritage Classic - Sector Dial L28284532 Watch with a Historic Design and Contemporary Features The watches of the Longines Heritage Classic collection combine the original design of historical models with modern watchmaking technology. This Heritage Classic model features a 38.5mm wide steel case with a black dial. The dial has steel grey index markers and hands and a small seconds dial at six o'clock. The steel grey case is combined with a brown leather strap. The watch from the Longines Heritage collection has an automatic movement with a power reserve of 72 hours and a scratch-resistant sapphire crystal with an anti-reflective coating. Model number: L28284532 Case material: stainless steelCase color: steel gray Case diameter: 38.5 mm Watch thickness: 11 mm Strap material: leatherStrap color: brownStrap width: 19 mm Watch weight: 69.4 g Sapphire glass, scratch-free Dial color: black Water resistance: 30 meters (3 bar)Movement: automaticPower reserve: 72 hours