Rolex DAY-DATE 40 or GMT Master - Both 18k YELLOW GOLD!

We talk about the Rolex DAY-DATE 40 or GMT Master - Both 18k YELLOW GOLD! Which is the better option? Do they both have ceramic sleeves in the bracelets? Are they solid 18k yellow gold? Do they have hollow pins in the bracelets?

Lots of questions to answer and discuss!

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