This is mine that I have had for more than 45 years.
It has the alarm bells on the top, but the larger numbers:
I felt like checking some of them out, so I found some images of others to share with you.
(Wonder if it works? Mine doesn't.)
A cute black and white "number" with dice:
Yes, the orange and yellow one below may be my favorite of the photos I found:
(One of these days I will get around to putting together images of them I've found in room settings in my vintage Seventeen magazines and others. Not anytime soon....)