Longines Spirit L34104936 watch with blue dial and COSC certificate Longines Spirit is a watch that combines the glory days of aviation with current aesthetic and technical requirements. This Longines Spirit watch has a 37mm wide grey steel case and a sun-brushed blue dial. The silver-edged indices and hands have strong luminescence and the seconds hand stands out in red. The watch has a date display at six o'clock. The stylish steel strap combines a brushed and shiny surface. The Longines Spirit is a highly accurate chronometer watch that has been certified by the Swiss COSC institution. The dial is protected by a scratch-resistant sapphire crystal with an anti-reflective coating, and the automatic watch has a power reserve up to 72 hours. Known for its winged hourglass logo, Longines is one of the oldest Swiss manufacturers of quality watches. The selection of the brand, which has been influential since 1832, includes both classic models and sports watches that underline performance. Model number: L34104936 Case material: stainless steelCase color: steel grayCase diameter: 37 mm Watch thickness: 11.7 mmStrap material: stainless steel Strap color: steel grayStrap width: 19 mm Watch weight: 114.7 g Sapphire glass, scratch-free Dial color: blue Water resistance: 100 meters (30 bar) Date display Chronometer with COSC certificate Movement: automaticPower reserve up to 72 hours