... Probably. Maybe that's why Lange transitioned to a transparent caseback in 1997. (Did you notice the patina developing on this early yellow gold Lange 1?) ...
but sometimes, treasures are best hidden. And once in a while, you can ask your watchmaker to take a picture/show you what's inside. I can definitely live with that
... but nobody got them (unless they wanted a custom-engraved caseback). I recently asked if Lange still did that, and I was told no -- they don't even do the custom engraved casebacks any longer.