Display:
60 divisions (1 for each second)
Each division has 5 segments (300 segments per revolution)

Suppose the clock spins at 3000 RPM
50 revolutions per second
20,000 microseconds per revolution
15,000 segments per second
66.666666666667 microseconds per segment
0.018 degrees per microsecond
1066.66666666666667 CPU clock cycles per segment