oclock(1) on Linux
The text 68068463abb1, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
round X clock
Flags it lists
-
-bd -
-bg -
-bw -
-display -
-fg -
-geometry -
-hour -
-jewel -
-minute -
-noshape -
-shape -
-transparent