|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|
Case Back: Solid. The case uses a thickened solid back cover, and the screw-in design ensures tight waterproof performance. The solid back cover has excellent waterproof performance and durability.
Band Material: 316L. This band uses the best 316L, which is a durable metal with light weight and high strength. It is corrosion resistant, non-magnetic and highly polished.
Hand: Silver-tone. About the watch, the hands is silver-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is a small round dial, placed on the outside of the watch to indicate the time.
Clasp: Fold Over Clasp. A fold over clasp are used in the watch to make it easier and quicker for the user to open and fold the case over to keep it secure.
Dial Markers: Luminous Index. According to research, the human eye is sensitive to light at night and is a new type of sensor that can detect time in the dark. When receiving a signal from an external source, this sticks will light up. It then sends a signal to the computing device, telling it when to turn the lights on and off.
Watch Case: 316L. The case is made of 316L stainless steel, making it durable.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. With this watch, you will lose your time in dark.
Crystal: Sapphire Crystal. Sapphire crystal glass can cut off moisture and dust, protect the hands, dial and movement. Tips: The A Replica is applied with mineral glass instead of sapphire.
Bezel Material: Stainless Steel. A stainless steel bezel a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.