|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|
Clasp: Fold Over Clasp. This is a great way to protect and store your watch, which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Dial Markers: Arabic Numeral. The watch with arabic numeral unlike the normal dial, the watch uses some clear numbers as dial markers to show us what time it is.
Bezel Material: Diamond Bezel. The watch bezel is the most expensive component of the watch. It is is more noble and elegant. It makes you improve your temperament from the inside out. Tips: not real diamond.
Function: Date, Hour, Minute, Second. The watch has a indicate date and can measure time. It plays an important role in our lives like any other electronic product. The functions of the watch are chronograph, hour, minute and second.
Watch Case: 316L. The case is 316L. For daily seawater corrosion, 316L steel is completely sufficient.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters. But make sure to close the crown properly. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Band Material: 316L. The band is made of solid 316L, which is suitable for daily seawater corrosion. This kind of steel is completely sufficient.
Case Back: Solid. The sturdy bottom cover can transmit vibration better than the bottom cover of the plastic case.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss