DIY: Tibor Kalman inspired watch

My boyfriend showed me these watches that Tibor Kalman designed back in the 80s. I instantly fell in love with them & of course, wanted to design my own watchface. Who is Tibor Kalman?  Only one of the most influential American graphic designers of his time according to my bf. In 1979 Kalman and two of his friends started the design firm M&Co, which these watches are branded with.  Kalman also