|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|
Watch Case: 316L. The situation is 316L stainless steel, which is a medium-to-high-grade and high-grade shell material. Because it contains molybdenum, it is more corrosion-resistant than 304, and the grade is also high.
Case Back: Solid. The strong bottom cover will have better water resistance than the through bottom. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
Crystal: Sapphire Crystal. Sapphire glass has good ornamental properties and can bring people a brand new visual effect when looking at the time. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hands: Gold-tone. About the watch, the hands is gold-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The design of other marks in the watch are located on the outside of the clock to indicate the time.
Dial Markers: Index. The index in a watch can instead of Roman numerals to show us the time.
Luminiscence: Hands and Markers. The watch’s luminiscence is hands and markers. It helps you know the according time when in dark.
Clasp: Fold Over Clasp. This watch use a fold over clasp to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. As for the waterproof depth of the watch, it is 30 meters. But please make sure you close the crown properly. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.