A display device of seconds and fractions of seconds and timepiece provided with such a device.

摘要

The invention relates to a mechanical display device, in particular for a timepiece comprising a movable indicator 18 and a second mobile indicator fraction of 14 seconds concentric. A fraction of second graduation 15 includes several index groups 16 each comprising as many as 17 index fraction of seconds to display and mobile indicator fraction of 18 seconds runs fraction graduation 15 seconds in as many seconds that this graduation comprises index group 16. The invention also comprises a timepiece, such as, for example, a chronograph, provided with such a mechanical device of a second fraction of display.