|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. A good band can better protect your watch. 316L steel 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.
Watch Case: 316L. The material in this case comes from 316L, which is one of the most heat-resistant stainless steel grades. Its corrosion resistance is very good, even at temperatures as high as 1100*F, without any further heat treatment.
Case Back: Solid. The sturdy case back can make the watch more durable, and they can withstand harsh outdoor environments such as rain, snow, cold or hot weather.
Crystal: Sapphire Crystal. A good sapphire mirror is a unique optical material. It is not only dazzling, but also scratch-resistant. The color rendering index (CRI) of the anti-reflective coating is 100, and the brightness is increased by up to 50%. Tips: The Automatic is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The design of the watch’s hands is silver-tone. It blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge of the glass is one of the most recognized design elements in all industries. It is called the hand of a clock. This design element is used in many famous designs such as clocks, clocks and other objects.
Dial Markers: Diamonds. The diamonds on the dial are used as markers to indicate the time.
Bezel Material: Stainless Steel. The stainless steel bezel is more simple and endurable. It makes you improve your taste from the inside out.
Clasp: Fold Over Clasp. The clasp design of the watch which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
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 has a good waterproof function. 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 function can be used to measure hours and seconds accordingly.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss