Eberhard & Co.: A gilt/steel water resistant automatic date and moonphase chronograph wristwatch, the white dial with Roman numerals, outer tachymetric scale with sweep centre seconds operated by two buttons in the band, subsidiary dials for running seconds and elapsed minutes, apertures for date and moon, the case with signed screwed back engraved 1887-1987 edition anniversaire, limitee à 999 Montres avec movement automatique with a certificate from a notary stating that Eberhard commit themselves to only making 999 of these watches