|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|
Band Material: 316L. The watch band is made of 316L sweeping the major material masters, and it has become the mainstream material of high-end fashion jewelry in Europe and the United States.
Watch Case: 316L. The case is 316L, and its density is close to iron, which generally does not affect the human body. This material is often used in the straps of Swiss watches.
Case Back: Solid. The hard solid bottom cover is the “second skin” of the watch. It covers metal and provides daily wear protection for the watch.
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 A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The watch’s hands is silver-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The other mark in the watch is designed to be a small round dial placed on the outside of the watch to indicate the time.
Dial Markers: Luminous Index. Studies have shown that human eyes are very sensitive to light at night. They are the eyes of a watch, which can help you see the time even in the dark. It is an advanced color sensor that can detect light levels of 2.5 lux or less with a range of up to 100 meters.
Luminiscence: Hands and Markers. The design of the watch’s luminiscence is hands and markers. It makes your watch look more funny and functional.
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 to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters, which is like a real watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.