It would be useful to know the size, too. The size of the date window suggests a small size, similar to a wristwatch. The upside-down dial suggests that it was intended to be pinned to a shirt or worn around the neck rather than hung on a chain. Add to that the medical red cross symbol and what you have is a typical nurse's watch. 1970s or '80s if it is mechanical, or later if it is quartz.
As a watch, I don't see anything that would attract the attention of collectors, unless there's an absolute gem of a movement inside. Far too new to have any historical horological value. Which isn't to say that it doesn't have some value to niche collectors of nurses/pendant watches or collectors of that specific brand.
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