Ball Watch Company Trainmaster Eternity Ladies NL2080D-SJ-BK. At Ball Watch Company, we are focused to build the mightiest, superior watches that endure all adverse conditions. Along the process, we faithfully create a family enterprise that genuinely fosters on humanity and have fun in our endeavors. Every detail, from the shape of the hands to the style of the numerals, was laid down by the founder in his quest for accuracy in timekeeping.