|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|
|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 is made of 316L stainless steel, the hardest material, which is a highly durable and corrosion-resistant material.
Watch Case: 316L. The watch case is made of 316L, which helps to form an anti-corrosion film on the surface of the metal material.
Case Back: Solid. The sturdy back cover is a great way to add style and elegance to your wrist. Scratch-resistant and wear-resistant watches are becoming more and more popular.
Crystal: Sapphire Crystal. The hardness of a good sapphire mirror is very high, the Mohs hardness is as high as 9, second only to diamond, and its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirror. Tips: The Automatic is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the hand design of the watch is silver-tone that is cool and well-designed.
Dial Markers: Arabic Numeral. The arabic numeral dial markers instead of dots show us the time.
Bezel Material: Diamond Bezel. A diamond bezel has high dimensional stability, high resilience and UV resistance. It can be used in both hard and soft cases. It’s also resistant to water, heat and deliquescent substances like oil or food. Tips: not real diamond.
Clasp: Fold Over Clasp. The clasp design of the watch 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 is enough for no worries. Tips: The Automatic is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Function: Date, Hour, Minute, Second. The watch has many functions. The watch has a indicate date to measure time, a minute dial is used to estimate the current time, and a second dial is used to estimate the time after the interval.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss