we always comare forms shapes with Rolex looking for perfectionism.
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But you must look at content how rolex builds a Rolex . Also keep in mind a great deal of Rolex is preventing corrosion .
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In early Rolex you find many imperfections .Then you notice a long journey of Rolex improving their watches.
An example is Rolex dials which turn tropical . The cause is the lume plots reacting to the metal and starting a chemical proces ( most probably because of zinc or rhodium in the lume )
Depending how it changes color you understand what lume was used .
Also that it starts at the plots outside in.
Then you also know they never turn even brown.
And that cause of it all is simply a electrolyses factory error .
Added pics for illustration.

