|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 3285||Genuine Swiss Clone 3285 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|
|Engine||Rolex Calibre 2836/2813|
Band Material: 316L. The band of 316L material has a density close to that of iron, which generally does not affect the human body. This material is often used in the straps of Swiss watches.
Watch Case: 316L. The case is the most important part of the watch. 316L can be polished, frosted, and can be plated with various materials. It has stable performance and is the best choice for the case.
Case Back: Solid. The case uses a thickened solid case back, which can transmit impact better than the plastic case back of the case.
Crystal: Sapphire Crystal. For watches, crystal is a very important part, and it is a high-quality optical material that is often used in watch construction. The unique anti-reflective coating can provide scratch resistance without affecting its gloss. Tips: The A watch is applied with mineral glass instead of sapphire.
Second Markers: Minute Markers around the outer rim. The design of the second marker is a small round dial, placed on the outside of the watch to indicate the time.
Dial Markers: Dot. We can use an dotted watch as a marker instead of Roman numerals to indicate the time.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers. With this watch, you will not waste time to check the real-time.
Bezel Material: Stainless Steel. The stainless steel bezel has been around since ancient times. It has been used as a decorative material for watches and clocks for more than two thousand years. A watch face made from stainless steel bezel materials can withstand extreme temperatures.
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, which is fully enough for your daily life. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.