|Grade||Genuine Rolex||3a Swiss||Swiss||Automatic|
|Movement||Rolex Calibre 3135||Genuine Swiss 3135 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|
|Bezels||Bi-directional Rotating Time-Lapse||Bi-directional Rotating||Fixed||Fixed|
|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 is made of solid 316L, which helps to form a corrosion protection film on the surface of the metal material.
Dial Markers: Luminous Index. The light sticks on the watch can be used to determine the time by observing the light sticks.
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.
Watch Case: 316L. The case is made of 316L, which is the most corroded by daily seawater, which is sufficient for this kind of steel.
Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It is a different way to look at watches. The design of the bezel brings a new level of quality and sophistication to the watch. This material allows for a more fused look and enhances the usability of the timepiece.
Water Resistance: 30 meters. Always wearing the watch even when you are in bathroom? Don’t worry, the watch’s waterproof depth is 30 meters, which is definitely enough for your daily life. Tips: The Automatic is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Clasp: Fold Over Clasp. This is a great way to protect and store your watch, which is a great way to protect and store your watch. It has a unique design that creates a secure lock, which can be easily opened and closed.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is located on the outside of the clock and is used to indicate the time.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss