Vacheron Constantin on Instagram: "Day & Night 🌃 The Overseas collection now includes a chronograph in a new steel “panda” 🐼 version: silver-toned, sunburst satin-finished dial, snailed black counters, black velvet-finished flange, 18K white gold hour-markers and hours, minutes, seconds and counters hands, highlighted with Super-LumiNova®. ⏱️In addition to the highly distinctive aesthetic, the technical performance of in-house Calibre 5200, equipped with a twin barrel, is enhanced by a colum