|Grade||Genuine Rolex||3a Swiss||Swiss||Automatic|
|Movement||Rolex Calibre 3235||Genuine Swiss 3235 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|
|Dial Color||Black Dial|
Dial Markers: Luminous Index. The luminous sticks in the watch jar is a new type of sensor that can detect the time in the dark. When receiving a signal from an external source, this sticks will light up. It then sends a signal to the computing device, telling it when to turn the lights on and off.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters that is enough for no worries. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Watch Case: 316L. The raw material in this case is 316L for daily seawater corrosion, this steel is completely sufficient.
Bezel Material: Stainless Steel. The stainless steel bezel is the prime material used for watch making. It has 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.
Band Material: 316L. The raw material used in this band is 316L, 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.
Function: Date, Hour, Minute, Second. A watch is a very important device in everyone’s life. Like any other electronic device, it plays an important role in our lives. The functions of the watch are chronograph, hour, minute and second.
Case Back: Solid. The sturdy back cover allows you to use and keep the watch longer.
Crystal: Sapphire Crystal. For a watch, crystal is a very important part, with a very high hardness, with Mohs hardness as high as 9, second only to diamonds. Its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. Tips: The watch is applied with mineral glass instead of sapphire.
Clasp: Fold Over Clasp. This watch case has a designed lock to make it easier and quicker for the user to open and fold the case over to keep it secure.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss