|Grade||Genuine Rolex||3a swis||swiss||automatic|
|Movement||Rolex Calibre 3135||Genuine Swiss Clone 3135 movement||Swiss 2836 Movement||Asian 2813 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|
Band Material: 316L. The best used 316L for the band 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.
Watch Case: 316L. The daily seawater corrosion situation is 316L, and 316L steel is completely sufficient.
Case Back: Solid. The case uses a thick solid back, which is the most important part of the watch. It is strong, durable and scratch resistant.
Crystal: Sapphire Crystal. A good sapphire mirror is a special anti-reflective coating that can minimize light reflection and provide scratch resistance without affecting its brightness. Sapphire crystal is a highly transparent crystal that can be used to make optical lenses, diffractive optical elements, and filters. Tips: The A Replica is applied with mineral glass instead of sapphire.
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: luminous dot. The luminous spot in the watch is a new type of sensor that can detect the time in the dark. When receiving a signal from an external source, this point will light up. It then sends a signal to the computing device, telling it when to turn the lights on and off.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. The watch uses a stainless steel bezel, which is more simple and endurable. It makes you improve your taste from the inside out.
Clasp: Fold Over Clasp. A fold over clasp are used here to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters that’s enough for no worries. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.