|Grade||Genuine Rolex||3a Swiss||Swiss||Automatic|
|Movement||Rolex Calibre 4130||Genuine Swiss 4130 movement||Swiss 7750 Movement||Asian MingZhu 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 7750/Mingzhu Engine|
|Case Color||Rose Gold-tone|
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it 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 watch is applied with mineral glass instead of sapphire.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters. But please make sure you close the crown properly. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. These luminiscence makes your watch more refined and high-end.
Watch Case: 316L. The case uses the best 316L, which is a durable metal, lightweight and strong. It is corrosion resistant, non-magnetic and highly polished.
Case Back: Solid. We use a strong back cover, which can make the watch more durable, they can withstand harsh outdoor environments, such as rain, snow, cold or hot weather.
Clasp: Deployment. The clasp design of the watch which is more durable and stylish.
Hand: Rose Gold-tone. The hands of the watch is rose gold-tone which is pretty cool and fashionable.
Bezel Material: Ceramics Bezel. Bezel material a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge around the edge of the glass is one of the most recognized design elements in all industries. It is a small round dial placed on the outside of the watch to indicate the time.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss