Welcome to the ClockDoc website.   

New in March/April 2021:  New makers Mehne and Margnoux, restoration images Smiths synchron and Aron timeswitch and an unusual Cluses clock added and another early Ritchie.  We are currently working on a new maker folder for Estyma transistor clocks; any information gratefully received.   

Changes January and February:  New maker Korfhange and son, Kundo, Synchronome Australia, and some interesting clocks, the earliest synchronome mark 1 (number 4) in the 30 second master folder, and a Brillie half second complete dismantling and restoration.   


In January 2021 we released the upgraded site, we hope you like our new features.:

  • New simpler folder structure and index page

  • Search facility now searches general and maker-specific documents

  • Maker-specific documents now in maker folders

  • Unknown maker clocks revised

  • New style headers for some folders with more external links to YouTube and websites (for example see Synchronome, English Clock Systems, Self Winding, No Key, Eureka, Lowne, and Siemens)

  • Over 400 patents added

  • Nearly 200 animations now added

  • Hundreds of documents added in the last 6 months

  • Now over 20000 images from over 350 makers, and still growing

Thanks to all our users who send us material, notably John Hubert, Geoff Horner,  J Alan Bloore, Richard Hatch,  Nick Maag, Michel Viredaz, David Read, Frank Dunkel, Augustí Tantdetemps and Ted Bosschieter and to The Clockworks, London for support.

Despite the recent great expansion, ClockDoc remains a not-for-profit enterprise run by collectors for collectors and has NO advertisements and NO cookies.

Eddy Odell and Jan van Harten

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