|Grade||Genuine Rolex||AAA Swiss||Swiss||Automatic|
|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|
Case Back: Solid. The solid 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.
Watch Case: 316L. The raw material of this case is 316L, one of the most heat-resistant stainless steel grades. Its corrosion resistance is very good, even at temperatures as high as 1100*F, without any further heat treatment.
Crystal: Sapphire Crystal. We use sapphire crystal for the watch, which is a high-quality glass that can clearly see the dial. Tips: The A Replica is applied with mineral glass instead of sapphire.
Water Resistance: 30 meters. The watch’s waterproof depth is 30 meters, which is like a real watch. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Dial Markers: Diamonds. A study shows that the human eye is very sensitive to points. Unlike ordinary dials, this watch uses some simple diamonds as dial markers to show us the time.
Luminiscence: Hands. Regarding this watch, luminescence is hands. With this watch, you will lose your time in dark.
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 temperament from the inside out.
Hands: Gold-tone. For the watch, the hands is gold-tone that is cool and well-designed.
Band Material: Leather.As you can see, many leather bands are used in Patek Philippe watches, which has become synonymous with steady and grace.
Second Markers: Minute Markers around the outer rim. The design of the second mark is also called the clock hand. This design element has been used in many well-known designs such as watches, clocks and other objects.