How do you know if a watch is a real Rolodex?

To determine if a watch is a real Rolex, check for specific features such as the quality of craftsmanship, weight, and materials used—authentic Rolex watches are made with high-grade stainless steel or precious metals. Look for the Cyclops lens over the date, which should magnify the date by 2.5 times, and inspect the movement through the case back if possible; genuine Rolex movements are finely detailed and often feature a unique serial number. Additionally, verifying the watch's serial and model numbers against Rolex's records can confirm its authenticity.