|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|
|Dial Color||Black Dial|
Band Material: 316L. The band is made of 316L stainless steel, the hardest material, which is a medium-to-high-end band material. Because it contains molybdenum, it is more wear-resistant than 304, and the grade is also high.
Watch Case: 316L. In this case, the best 316L is used, and its density is close to iron, which generally does not affect the human body. This material is often used in the straps of Swiss watches.
Case Back: Solid. We are using a solid bottom cover, which is more waterproof than transparent. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
Crystal: Sapphire Crystal. We use sapphire crystal for the watch, which is a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its brightness. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The small mark on the outer edge of the glass edge is one of the most recognized design elements in all industries. The tiny mark around the outer edge is shown in the picture above.
Dial Markers: Index. The index on the dial is used as a marker instead of Roman numerals and can affect the appearance of the dial.
Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers. With this watch, you will not lose your time in dark.
Bezel Material: Stainless Steel. The watch uses a stainless steel bezel, which made of stainless steel bezel material. It needs to be durable and can resist abrasion. The design of stainless steel bezel material makes it suitable for the watch bezel because of its ability to withstand a lot of pressure and friction.
Clasp: Fold Over Clasp. The clasp of the watch to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters, which is similar as real watch. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.