Build it yourself ! The oscilloscope clock kit. Kit includes the pc board, components to populate it, preprogrammed microcontrollers, transformer and assembly instructions. Connect to your own compatible crt and construct your own enclosure/housing. Crts found to work well with the kit board include types DG7-32, DG7-6, 2AP1, 2BP1, LB-8, 6Lo1i, 50HB1, 7SJ33J, 3SP1, B7S2, LO-247, 3GP1 and many other relatively low voltage, small crts.
Fully assembled clock with 1/4" plexiglass base and handmade 1/8" plexiglass shroud (dust cover) using 6Lo1i (Soviet) crt. Can be set to operate on 120VAC (U.S. standard) electric service as well as 240VAC (some other countries) Automatically adjusts to 60 HZ service (U.S.) or 50 HZ (others).
Deluxe edition ! The fully assembled clock with dust cover and battery backup, using either the 6Lo1i crt or a 2AP1 crt (pledgers choice) and mounted on 1/4" clear acrylic base (as pictured). Battery backup uses an easily obtainable nine volt battery !