|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|
|Dial Color||Black Dial|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Hand: Silver-tone. Regarding this watch, hand design is silver-tone that is cool and well-designed.
Case Back: Solid. The sturdy case back allows you to use and keep the watch longer.
Dial Markers: Diamonds. According to a study, the human eye is very sensitive to points, and diamonds in watches are used as markers instead of Roman numerals to indicate the time.
Luminiscence: Hands. About the luminosity of the watch is hands. Something that shines allows you to find time in the dark.
Band Material: 316L. Our band is made of 316L. For daily seawater corrosion, 316L steel is completely sufficient.
Bezel Material: Diamond Bezel. Bezel material 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. Tips: not real diamond.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is also called the hand of the clock. This design element is used in many famous designs such as clocks and other objects.
Crystal: Sapphire Crystal. A good sapphire mirror can block moisture and dust, protect the hands, dial and movement. Tips: The A Replica is applied with mineral glass instead of sapphire.
Watch Case: 316L. The daily seawater corrosion situation is 316L, and 316L steel is completely sufficient.