Eberhard calibre 11500 Bidynator 18 kt rose gold case with reference number 6392548 Oversize case, 36 mm in diameter excluding crown. Original reprinted white dial, Swiss-made, embossed gold baton markers, embossed gold Eberhard logo. Original hand, Dauphine style, gold, central second hand. Original watch from the ‘50s, very rare, in working order, great overall condition, with the classical beauty of old Eberhard watches, interesting as a collector's piece or for wearing. Automatic movement 11.5"' lines, calibre Eberhard 11500 based on the very rare and prized calibre Felsa 690 Bidynator Patented, with the bridge branded Eberhard, both on the oscillating mass and on the balance bridge. Incabloc balance wheel (anti-shock system) with logoed bridge, frequency of 18,000 Vph. 17 jewels (rubies mounted on the bridges and main plate). Without the original box and papers. Insured shipment with tracking.