Sure, you can make a chronograph with two separate trains, one of which has a frequency of 360,000 vph but if it has a power reserve for the chronograph of less than an hour, has such a high frequency that human reaction time can't
link actually make use of it, costs three (or four, or five) times as much as a conventional chronograph, and does
rolex submariner new price uk little or nothing to improve the
link practical measurement of elapsed time and the general human condition, what's the point?