A look at watches with a variety of horological complications and functions above and beyond telling time.

Closer Look: Richard Mille $550,000 RM 74-01, 74-02 Automatic Tourbillons  

Richard MIlle RM 74-02

Just last week, Richard Mille unveiled a couple of automatic tourbillon watches that really struck a chord: the RM 74-01 and 74-02. Both boast high-tech material cases and movements, and…

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