A timepiece (1) comprises communication means (2) and hand haft control means (19), executes function processing on the basis of information acquired from an external apparatus via the communication means (2), and controls operation of respective hand shaft blocks (28, 29, 30) of the timepiece (1) via...http://www.google.com/patents/US6751164?utm_source=gb-gplus-sharePatent US6751164 - Time piece