|Grade||Genuine Rolex||3a Swiss||Swiss||Automatic|
|Movement||Rolex Calibre 3255||Genuine Swiss 3255 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||Blue Dial|
|Engine||Rolex Calibre 2836/2813|
Band Material: Leather.The leather material ‘s excellent performance determines its current status in the watch circle.
Second Markers: Minute Markers around the outer rim. The design of the dial is a small round dial placed on the outside of the watch to indicate the time.
Luminiscence: Hands. The luminosity of the watch is hands. With this watch, you will not waste time to check the real-time.
Function: Date, Hour, Minute, Second. Its function plays an important role in our lives just like any other electronic product. The functions of the watch are chronograph, hour, minute and second.
Watch Case: 316L. The case is made of solid 316L steel, which is a very strong and corrosion-resistant steel. It has the same strength as the most popular grades (HRC52, HRC55), but only half the weight. Compared with competitors, the production cost of stainless steel is also higher.
Crystal: Sapphire Crystal. Sapphire glass has good thermal properties, excellent electrical and dielectric properties, and is resistant to chemical corrosion. It has the characteristics of high temperature resistance, good thermal conductivity, high hardness, infrared penetration, and good chemical stability. Tips: The watch is applied with mineral glass instead of sapphire.
Clasp: Deployment. This watch case has a designed lock which is more durable and stylish.
Hand: Silver-tone. The design of the watch’s hands is silver-tone that is simple but luxury.
Case Back: Solid. xxx usually uses a solid bottom cover, which can be used for many years. There are many boxes made of various materials. These watch cases cannot prevent damage and are easily damaged. The backs of these watches are sturdy and can be used for many years.
Bezel Material: Stainless Steel. Stainless steel bezel is a material that made of stainless steel bezel material. It needs to be durable and can resist abrasion. The design of stainless steel bezel material makes it suitable for the watch bezel because of its ability to withstand a lot of pressure and friction.
Dial Markers: Index. The watch with index uses some simple index marks to display the time, making the dial more simple and stylish.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss