|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|
|Engine||Rolex Calibre 2836/2813|
Case Back: Solid. The strong bottom cover will have better water resistance than the through bottom. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
Dial Markers: Index. The index in a watch to indicate what time it is.
Watch Case: 316L. This case uses the best 316L, which is a durable metal with light weight and high strength. It is corrosion resistant, non-magnetic and highly polished.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is called the hand of the clock. This design element is used in many famous designs such as clocks, clocks and other objects.
Function: Date, Hour, Minute, Second. It has many functions for various purposes, including mesuring time, mesuring time, and timer functions.
Luminiscence: Hands and Markers. The watch’s luminiscence is hands and markers. It helps you know the according time when in dark.
Hands: Gold-tone. The watch’s hands is gold-tone, which can highly improve the outlook of the watch.
Water Resistance: 30 meters. The watch’s waterproof depth 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. A good band can better protect your watch. 316L stainless steel has excellent corrosion resistance. The band is also hypoallergenic and scratch-resistant. It can withstand high temperature environments and provide shock protection.
Crystal: Sapphire Crystal. The hardness of the material of the watch 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 mirrors. Tips: The watch is applied with mineral glass instead of sapphire.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss