WatchForum is a non-commercial site where you can ask questions, provide answers, share ideas and just generally have fun. There is also a marketplace where you can buy and sell items. Registration not required. Equation Of Time features a horology discussion forum as well as a watch exchange where collectors can buy sell and trade timepieces. The American Watchmakers-Clockmakers Institute Inc. is a nonprofit trade association dedicated to the advancement of horology.
Horology is the study of the art and science of time.
The Institute provides extensive educational and technical services to its members. The Association sponsors a National Convention and Mart every year in a different part of the country, drawing several thousand members. The Horology Index provides a comprehensive index and crosslinks to horological information on the world wide web. He is also a contributor of horological articles appearing on several internet watch forums and in trade magazines.