Here is a vintage, plug-in Bulova flip alarm clock with a lighted face, model B-5410. It is housed in an olive green plastic case. The clock measures approximately 6-1/4” in length by 4-1/4” height by 4-3/4” depth.
The sticker on the bottom of the clock reads:
AC 115V 60C/S 3W
MADE IN JAPAN
Above: views of the side, back, and bottom of the clock.