Books About this site:
Anniversary Clock Adjusting:

This has got to be the definitive guide to setting up and regulating Anniversary or 400 Day Clocks. The book gives a short history of the clocks and the evolution of their suspension wires, but mainly consists of detailed instructions on adjusting the escapement, suspension and pendulum. Included are copies of the rotation scales and setting up leaflet widely used by the trade. An excellent book for all those who work on these clocks or simply own one. 47 pages. Soft cover.
Horolovar 400 Day Clock Repair Guide:

This lists almost all known models of 400 day clock, with illustrations of their backplates and details of correct suspension strengths etc. The only book of its kind and invaluable in the repair of these clocks. 237 pages. Hard cover.
This web site is for the use of owners, collectors and repairers of Anniversary Clocks.

It is a non-commercial site. Nothing is for sale, no membership list is maintained, and you won't get any spam or junk mail!

You will find tips and suggestions about the clocks, and links to other sites and organisations.

If you have any comments, or would like to contribute to the site, please email the Webmaster.
Useful Links Visit the sponsor:

Clock Repairers


Anniversary Clocks:

You should have your clocks cleaned, oiled and adjusted by a repairer every three years.

Your clock may need a new suspension or mainspring from time to time. is sponsored by Meadows & Passmore Ltd.

Please visit their website