|Grade||Genuine Rolex||AAAAA Clone||AAA Replica||A Replica|
|Movement||Rolex Calibre 4130||Genuine Swiss Clone 4130 movement||Swiss 7750 Movement||Asian MingZhu 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||904L Stainless Steel||904L Stainless Steel||316L Stainless Steel||316L Stainless Steel|
|Crystal||Sapphire crystal||Sapphire crystal correct date magnification||Sapphire crystal||Mineral Glass|
|Logo & Markings||laser etchings||Exact on entire watch||90% Exact on entire watch||70% Exact on entire watch|
|Dial||Genuine Rolex||Exact detail and font||90% exact detail and font||70% Exact detail and font|
|Luminous Markers||Rolex Lumen||SuperLuminova Swiss Lumen||Swiss Lumen||Normal Lumen|
|Waterproof||100m on standard models||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|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
|Dial Color||White Mother of Pearl Dial|
Watch Case: 316L. The situation is that with 316L you can live in peace with your skin forever without causing harm.
Hands: Gold-tone. The watch’s hands is gold-tone, which fits your watch’s dial well.
Luminiscence: Hands. For the watch, the luminiscence is hands. These luminiscence makes your watch more refined and high-end.
Band Material: 316L. The raw material of this watch band is 316L stainless steel, which is a medium-to-high-end band material. Because it contains molybdenum, it is more wear-resistant than 304, and the grade is also high.
Case Back: Solid. The case uses a thick solid bottom cover, which is usually used to protect the watch movement from scratches and external damage. These watch cases can also increase the durability and strength of the watch movement.
Clasp: Fold Over Clasp. This watch use a fold over clasp to make it easier and faster for the user to open and fold the watch case to keep it secure.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is the only high-quality anti-reflective material that provides scratch resistance without affecting its luster. Using this new technology, you can protect the surface of your watch at the most important moments in your life. Tips: The A Replica is applied with mineral glass instead of sapphire.
Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It is one of the most beautiful and delicate parts in the watch. The stainless steel bezel provides a durable, endurable and expensive look to the watch.