| Grade | Genuine Watch | AAAAA Clone | AAA Replica | A Replica |
| Movement | Genuine movement | Swiss movement | Japanese Movement | Taiwan Movement |
| Time Accuracy | -3/+5 sec per day COSC certified | -5/+6 sec per day COSC certified | -10/+10 sec per day COSC certified | -1/+2 min per day COSC certified |
| Stainless Steel Type | Brand-specific (e.g., 316L steel, titanium, ceramic) | Claims “same materials” (usually 316L steel with plating) | 316L steel or alloys | Low-grade alloys or stainless steel |
| Logo & Markings | laser etchings | Sapphire crystal correct date magnification | Sapphire crystal | Mineral Glass |
| Dial | Genuine Watch | Exact detail and font | 90% exact detail and font | 70% Exact detail and font |
| Waterproof | Model-specific (e.g., 30m, 100m, 300m) | Tested up to 300m | Tested up to 30m | Life waterproof |
| Life expectancy | Lifetime | Lifetime | 3-5 years | 1-2 years |
| Warranty | 2 Years | Up to 5 Years | Up to 3 Years | Up to 1 Years |
| Band Length | 18cm |
| Case color | white |
| Case Thickness | 13.05mm |
| SKU | RM-5901 |
| Series | RM 055 |
| Brand | Richard Mille |
| Gender | Men’s |









Thalia Zane –
Versatile style enhancer.The shipping box was purely utilitarian.
Ophelia Scott –
Gets noticed for all the right reasons.Looks the business.Night visibility is the only slight drawback.
Quinn Voss –
Feels like incredible value.Dial pops,case feels tough.Came in a plain protective box.
Mabel Quinn –
Wears comfortably hour after hour.The weight adds to the quality feel.Standard water rating is fine.
Sloane York –
Dial craftsmanship is superb.Setting the time takes a firm twist,but it’s precise.
Penelope Tate –
Accuracy has been fantastic.Buckle is lightweight but holds firm.No complaints on function.
Ramona West –
Ideal for everyday adventures.Strap was just a hair short,easily fixed by adding a hole.
Nova Reed –
Attention to detail is impressive throughout.Strap size was a perfect match for me.