LAST EDITED ON Oct-21-18 AT 07:23 PM (EDT)
 
...what exactly was up with Miki's watch, anyway?

https://retro-friki.tumblr.com/post/177183928591/

Apparently taken from a new 2018 musical for Utena called Bud of the White Rose? I'm still investigating.

UPDATE: Sounds as if the musical is an adaptation of the first half of the series, so no new major story beats added to the existing canon but presumably a lot of things like this.