You’ve probably heard that having a “full set” boosts a Rolex’s resale value,...

https://wool-wiki.win/index.php/Do_I_Need_a_Certificate_of_Authenticity_When_Buying_a_Watch_on_a_Cruise%3F

You’ve probably heard that having a “full set” boosts a Rolex’s resale value, but the truth is more specific. The warranty card matters most—it proves authenticity and service history. The box? It’s nice but not a deal-maker