|Grade||Genuine Rolex||3a 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|
Band Material: 316L. The raw material of this watch is the hardest 316L stainless steel, which belongs to the middle and high-end and high-end shell materials. Because it contains molybdenum, it is more wear-resistant than 304, and the grade is also high.
Watch Case: 316L. The case is made of 316L, which is a high-grade stainless steel alloy. It is corrosion resistant, easy to weld, durable and safe to use.
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.
Crystal: Sapphire Crystal. A good sapphire mirror is a lustrous and transparent crystal, which is often used in high-precision optical instruments. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hands: Gold-tone. For the watch, the hands is gold-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge of the glass is a design element that represents time, and the minute mark around the outer edge.
Dial Markers: Diamonds. Diamond-encrusted watches use some simple diamond markers to display the time, making the dial more concise and stylish.
Luminiscence: Hands. About the watch, the luminiscence is hands. It makes your watch look more high-end.
Bezel Material: Stainless Steel. The watch uses a high-end stainless steel bezel, which 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.
Clasp: Fold Over Clasp. The clasp of the watch which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters. But make sure to close the crown properly. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.