swisswatch(1) on Linux
The text 91999626565d, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
the mother of all X Toolkit clocks
Flags it lists
-
-cff -
-display -
-ffs -
-geometry -
-noshape -
-railroad -
-sbb -
-tick