The Cons of Polishing Your Rolex: A Loss of Authenticity? Given the pros and cons of polishing replica diamond watches, the question remains: How often should you polish your Rolex, if at all? For modern Rolex watches, polishing every 5 to 10 years, as part of a broader service, is generally recommended. This allows the watch to maintain its aesthetic appeal without risking over-polishing. Rolex itself offers polishing as part of its official service, ensuring that any polishing is done