The Antiquarian Horological Society - A learned Society dedicated to the study of antiquarian clocks, watches and other forms of timekeeping.
British Horological Institute - Place for hints and tips on clock and watch repair. Also includes a Identification Photo Database with modern and antique clock and watch movements.
Horology - The Index: Membership Organizations - A global list of membership organizations of interest to collectors of clocks and watches and other horologists, both enthusiasts and professionals.
The National Association of Watch and Clock Collectors, Inc. - Dedicated to the collection, restoration, research and appreciation of all manner of clocks, watches, and sun dials. They have many resources to help everyone from new collectors to experienced professionals.
Watchsearcher - Searchable database of stolen and lost Swiss luxury watches. Many loss prevention hints are also mentioned
