|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|
|Dial Color||White Dial|
|Case Color||Rose Gold-tone|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Watch Case: 316L. The case is made of 316L stainless steel, the hardest material, making it durable, reliable and durable.
Case Back: Solid. The case uses a thick solid back, which is never soft or flexible. It is made of steel, very durable and scratch-resistant.
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 A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. For the watch, the hands is rose gold-tone, which looks pretty stunning and high-end.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge of the glass is a design element that represents time, also called a clock hand. This design element has been used in many famous designs such as watches, clocks and other objects.
Dial Markers: Luminous Index. Watches have luminous sticks, and we can determine the time by observing the luminous sticks.
Luminiscence: Hands and Markers. For the watch, we apply with luminiscence of hands and markers. With this watch, you will not lose your time in dark.
Bezel Material: Ceramics Bezel. The bezel, made of ceramic, is a high-end material made from Ceramic. It is the most expensive material of the watch. In addition, Ceramic is a substance with high flexibility and energy absorption properties which can be used as the core medium of the watch.
Clasp: Deployment. The clasp design of the watch which is more durable and stylish.
Water Resistance: 30 meters. Want a watch waterproof? Don’t hesitate to choose us, the depth of the watch is 30 meters that is enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.