| Grade | Genuine Watch | Swiss movement |
| Movement | Genuine movement | Swiss 3285 movement |
| Time Accuracy | -3/+5 sec per day COSC certified | -5/+6 sec per day COSC certified |
| Stainless Steel Type | Brand-specific (e.g., 316L steel, titanium, ceramic) | Claims “same materials” (usually 316L steel with plating) |
| Logo & Markings | laser etchings | Sapphire crystal correct date magnification |
| Dial | Genuine Watch | Exact detail and font |
| Waterproof | Model-specific (eg. 30m, 100m, 300m) | Tested up to 300m |
| Life expectancy | Lifetime | Lifetime |
| Warranty | 2 Years | Up to 5 Years |
| Brand | Rolex |
| Series | GMT-Master II |
| Model | 126715CHNR |
| Case Color | Black and Brown |
| Band Length | 18cm |
| Case Thickness | 42mm |
| Gender | Men’s |







