|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|
|Dial Color||Black Dial|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Band Material: 316L. The band is made of 316L, which is a durable metal with light weight and high strength. It is corrosion resistant, non-magnetic and highly polished.
Watch Case: 316L. The situation is that 316L is 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.
Case Back: Solid. The sturdy case back is neither soft nor flexible. Made of steel, it has excellent durability and scratch resistance.
Crystal: Sapphire Crystal. Sapphire crystal can feel a clear and bright vision when reading time. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the hand design of the watch is silver-tone, which looks pretty stunning and high-end.
Second Markers: Minute Markers around the outer rim. The design of the second hand in the watch is as shown in the picture above. It is also called the hand of a clock. Many well-known designs have adopted this design element.
Dial Markers: Index. According to a study, the human eye is sensitive to point, instead of Roman numerals to show us the time.
Luminiscence: Hands and Markers. The style of the watch’s luminiscence is hands and markers. It can help you know the corresponding time when you running in dark.
Clasp: Fold Over Clasp. A fold over clasp are used in the watch allows the user to fold it into several positions or angles for unique and unique use.
Water Resistance: 30 meters. About the watch, the 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.