cal. 676 nickel lever manual winding movement • silvered dial with painted black Arabic numerals and dot indexes subsidiary dials for the constant seconds and the 16 minute register outer minute/second divisions blued steel Breguet hands • polished and brushed case snap-on case back engraved with "AMI CRONOMETRO PER NAVIGAZ.ASTRONM TIPO HA-1 N.CATEGOR. 19620 MM. 200021"  • case dial and movement signed