|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 water resistance of the solid case back will be better than that of the transparent case back. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge of the glass is one of the most recognized design elements in all industries. It is also called the hand of a clock. This design element is used in many famous designs such as clocks and other objects.
Bezel Material: Stainless Steel. The stainless steel bezel is the prime material used for watch making. It has is more simple and endurable. It makes you improve your taste from the inside out.
Crystal: Sapphire Crystal. The hardness of a good sapphire mirror is very high, the Mohs hardness is as high as 9, second only to diamond, and its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirror. Tips: The A Replica is applied with mineral glass instead of sapphire.
Clasp: Fold Over Clasp. This watch case has a designed lock which allows the user to fold it over in multiple positions or angles for unique and unique use.
Band Material: 316L. The band is made of 316L stainless steel, which has excellent corrosion resistance. It does well in hypoallergenic and scratch resistant.
Watch Case: 316L. The case is made of solid 316L stainless steel, which is a mid-to-high-end case material. Because it contains molybdenum, it is more wear-resistant than 304, and the grade is also high.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which is fully enough for your daily life. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Luminiscence: Hands. The luminosity of the watch is hands. The luminous things makes your watch more delicate and high-end.
Dial Markers: Diamonds. Diamond dial markers are used as markers instead of Roman numerals, which will affect the appearance of the dial.