Rolex Reference Numbers Explained ⌚🙌 They hold a lot more than meets the eye! From craftsmanship to authenticity and even the production period, Rolex reference numbers reveal everything you need to know about your watch. Here’s a quick breakdown of how to decode them: 1️⃣ Model Type – The first digits tell you which collection your Rolex belongs to (e.g., Datejust, Submariner, GMT-Master II). 2️⃣ Bezel Type – Numbers near the end indicate the bezel type – smooth, fluted, or rotatable, etc. 3️⃣