Timepiece in which the hours display may be independently modified, in particular when passing to another time zone

摘要

A timepiece including: an inner hours pipe (2) supporting a lower wheel (6), an outer pipe (30) mounted on the inner pipe (2) and supporting an upper wheel (32) arranged above the lower wheel (6), a star (12) mounted on the hours pipe (2) and fixed in rotation to the lower wheel (6), two driving rollers (20) cooperating with the star (12) and driven by the upper wheel (32) and a spring (26) bringing back the roller (20), such timepiece being characterized in that the lower wheel (6), which constitutes an hours wheel in mesh with a dial train, is mounted to be free in rotation relative to the inner hours pipe (2), while the upper wheel (32) forms a correction wheel capable of acting on the hours pipe (2) in order to modify the hour displayed.