A385 correct plexy height

[Xalex69]

Ciao i'm Alex
May i Ask a information?
I

• A few days ago I bought a plexy glass for my Vintage el primero a385, the correct diameter is 330 but I don't know what the correct height plexy glass,
• one I took is 5.7 mm high, perhaps too high?
  
  Can you give me help?
  
  Thanks Alex