This is a balanced ternary watch face for hours and minutes.
The top row is hours past noon.
The bottom row is minutes past the hour.
The figures are:
- for -1
0 for 0
+ for 1
Example of how to read.
+ - - hours
- + + + minutes
*27 *9 *3 *1
The time shown above is 14 minutes before 5 or 4:46.
9 - 3 - 1 is the hour which = 5.
-27 + 9 + 3 + 1 is the minute which = -14 or 14 minutes before the hour.