|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||Black Dial|
Band Material: Rubber.A rubber band is used for the watch, which has a good waterproof feature and easy to maintain.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. It can help you know the corresponding time when you running in dark.
Watch Case: 316L. The raw material of this case is 316L, which can help form a corrosion protection film on the surface of metal materials.
Clasp: Fold Over Clasp. A fold over clasp are used in the watch to make it easier and faster for the user to open and fold the watch case to keep it secure.
Dial Markers: Index. With a index uses some simple index marks to display the time, making the dial more simple and stylish.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is a design element representing time, also called a hand, which has been used in many famous designs.
Case Back: Solid. The hard solid bottom cover can transmit vibration better than the bottom cover of the plastic case.
Crystal: Sapphire Crystal. Sapphire crystal is a very common glass that can protect your watch from scratches. Tips: The A Replica is applied with mineral glass instead of sapphire.