Vintage very precise Brass Clock nice ticking sound, works perfect.
Early 1980 Kundo Quarts clock, showing the continents of the world with day and night designation. The clock is one of the first editions and made on full brass (no plastic)
German firms Schatz and Kieninger & Obergfell (known as "Kundo", from "K und O"), were the main manufacturers of this type of clock.
A fine example.
Quartz clocks are at least an order of magnitude more accurate than mechanical clocks. The first quartz clock was built in 1927 by Warren Marrison and J.W. Horton at Bell Telephone Laboratories. mechanic. A battery powered motor winds up the main spring. A 12 Hour Face Shows The Local Time. The Outer Ring With 24 Hours