| Grade | Genuine Watch | AAAAA Clone |
| Movement | Genuine movement | Swiss 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 (e.g., 30m, 100m, 300m) | Tested up to 300m |
| Life expectancy | Lifetime | Lifetime |
| Warranty | 2 Years | Up to 5 Years |
| Brand | Patek Philippe |
| Series | Nautilus |
| SKU | 5990-1A-001 |
| Case color | silvery |
| Case Thickness | 12mm |
| Band Length | 18cm |
| Gender | Men’s |
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