- Antique Horology - The Horological Foundation's directory of web sites for watches, clocks, instruments and barometers.
- Atmos Clocks - A collector of Atmos clocks who is looking to buy additional ones. Many pictures of the different styles of Atmos clocks and short descriptions of them.
- Atmos Clocks From Jaeger-LeCoultre - Offering information on dating, history, care and restoration.
- Attleboro Clocks Co. Research - Dedicated to research on antique clocks with Attleboro Clock Co. Attleboro Mass on the dial.
- Barrie's Virtual Museum of Clocks - Pictures and information about antique and vintage clocks including grandfather, mantle and wall clocks. Electric and master clocks, time recorders and anything to do with horology.
- ClockHistory.Com - History and information about Westclox, trade name of the Western Clock Manufacturing Company. Important dates, patents, advertisements, catalogs and online ordering of select reproduction replacement parts.
- Clocks and Time - Horological directory of web sites for organizations, museums for clocks and watches, mailing lists, book reviews and a watch and clock FAQ.
- Clocks: A Collection - Listing and photographs of clocks in a personal collection.
- Interstate Time Company - Features a slide show on "Collecting Illinois Watches Without Going Broke", and discussion on private labeled Bunn Specials.
- Mayfield Books clocks publisher - Horological books
- Roger's Fusee Engine - Pictures and description of a fully functional replica of an 1800's fusee engine.
- Save America's Clocks - A nonprofit organisation dedicated to maintaining and renovating public clocks in the United States.
- Setclocks - Includes a history of the Standard Electric Time Company, links to various collections with images and several case studies of restorations of school systems.
- Stopped Clocks - A campaign to catalogue nonworking public clocks in the UK with the aim to having them renovated.
- Sundials by François Blateyron - Dedicated to sundials, with pictures and a freeware program to download.
- The Astrolabe - The history and uses of the astrolabe, a very ancient astronomical computer for solving problems relating to time and the position of the Sun and stars in the sky.
- The Clockwork Historian - Specializing in research on the early clockmakers of New England. Has records of tower clock installations for Seth Thomas, E. Howard, Stevens and Schwalbach clock companies.
- The Fascination of Old Clocks and Watches - Information and pictures on pocket watches, mantel clocks, carriage clocks, marine chronometers, electric clocks, and wristwatches.
- Uk250.co.uk - Antiques Websites - A collection of UK websites for antiques.
