Singapore Clock&Watch Ass.

SSC Swiss Chronometry Society

Switzerland

Sveriges Klocksamlares Ricksfoerning

Swedish Association of Watch and Clock Collectors Switzerland:

The Swedish Association of Watch & Clock Collectors

Sweden

Swiss Society of Chronometry (SSC)

VdU Verband deutschschweizerischer Uhrenfabrikanten

Switzerland

Watchsearcher.com

Search for free if a certain watch is recorded as stolen in the web biggest database of stolen watches, wristwatches and clocks. It takes less than 10 seconds to check online a specific watch. You can report robberies, ram raids or thefts of watches

World Watch and Jewellery Show - Basel

Switzerland

The Worshipful Company of Clockmakers

Watch and Clock Information Sites

Worshipful Company of Clockmakers

This is the London clockmakers' guild, founded in 1631.  Its famous Collection,to the public at Guildhall Library in the City of London, includes such famous items as John Harrison's 5th marine timekeeper.