MECHANICAL TIMEPIECE COMPRISING A TOURBILLON

摘要

The invention relates to a timepiece consisting of a main plate (24) having the following components mounted thereto: a time base which is formed by a tourbillon (16) comprising a rotatable frame, which appears in an opening (14a) in the dial (14) thereof; and time information display means which are controlled from the time base. The aforementioned display means comprise a rotatable ring (40) which appears in the opening (14a) in the dial, co-axially around the frame, and ring drive means.