Longines Record Heritage L2.921.4.56.2Watchmaking expertise stamped with the COSC seal. In Longines purest watchmaking tradition, the Record automatic models combine classic elegance and excellence, aspiring to become the spearheads of the brand. And there is no shortage of arguments for these exceptional timepieces, whose movement includes a single crystal silicon balance spring with unique properties. A first for Longines, it is certified as a chronometer by the Swiss Official