OMEGA Chronometre De Marine rare table clock no. 1258 with original certificate of observatory in Neuchatel, Switzerland around 1983, Megaquartz 4,19 MHz, open up exotic- woods-case with original base, aluminum-inner-case, black dial with white hour-indexes, white hands, calibre 1525, original technical description with user's manual enclosed, measures approx. 7,5 x 12,7 x 17 cm, very good condition, condition 1