Round top view old stock Nixie tubes perfect match. Tubes are not soldered but socketed, so tubes can be easily replaced without any tool / soldering. Highest quality components for long lasting service. Based on precise thermo-compensated internal clock, independent of.Date dd: mm: yy / mm: dd: yy, first 0 hide, 4 daily intervals for automatic brightness adjustment (including 0 tubes off), Daylight Saving Time for Europe / US / disabled, user defined timing for date / time, internal battery backup for timekeeping during power off (CR2032 in socket). Other special designs at your request, please drop me a line and maybe I'll make your dream clock! The item "Blue London Nixie clock with Z560M tubes by Monjibox" is in sale since Sunday, June 13, 2021. This item is in the category "Sammeln & Seltenes\Technik & Geräte\Elektronenröhren\Spezialröhren\Ziffernanzeigen & Nixies". The seller is "monjibox" and is located in Bucharest, Romania. This item can be shipped worldwide.