We will show you in real-time the actual date indication passage of this once-in-4-years event and we’ll do so with nothing less than some pretty sweet timepieces, a special firework just for you : Greubel Forsey QP à Equation, MB&F Legacy Perpetual, the recently released yellow gold version, Vacheron Constantin Patrimony 14-days Tourbillon Perpetual Calendar, Bovet Fleurier Grandes Complication Virtuoso III Perpetual Calendar. A. Lange & Soehne Saxonia Perpetual and finally the Jaquet Droz Eclipse Perpetual Calendar.