What is the fine-grained topic of the following text: In reality, though I doubt I will get to take one apart, I assume they mate with the 8 more conventional screws holding the exhibition caseback, and those are the ones you loosen to access the movement, an in-house calibre 3130 with a beautifully decorated 22 carat rotor. Only return the topic.
Disassembling and accessing the movement of a watch