HAAS SWISS LEVER 17J CHRONOMETER CLOCK MOVEMENT SPARES OR REPAIRS DIMENSIONS ARE HEIGHT 47.7MM. MAXIMUM DIAMETER 37.8MM APPROXIMATELY. UNKNOWN ORIGIN BUT THE EXTERIOR HAS BEEN SCRAPPED. SILVER DIAL WITH ENAMELLED ROMAN NUMERALS. IT HAS BREGUET PATTERNED BLUE STEEL HANDS. CUT AND COMPENSATED BI-METALLIC BALANCE WITH A BLUED STEEL BREGUET OVERCOIL HAIRSPRING. KIDNEY BEAN HAIRSPRING STUD….