|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 4130||Genuine Swiss Clone 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||Black Dial|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Watch Case: 316L. The watch case is made of 316L, which will never fade and is environmentally friendly.
Case Back: Solid. The case has a thick back, which is not soft or flexible at all. It is made of steel, very durable and scratch-resistant.
Crystal: Sapphire Crystal. A watch made of sapphire crystal 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 Replica is applied with mineral glass instead of sapphire.
Hands: Gold-tone. Regarding this watch, hand design is gold-tone, which fits your watch’s dial well.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is a design element representing time, also called a clock hand, which has been used in many famous designs, such as watches and other objects.
Dial Markers: Index. Watches have indexes as dial marks and use indexes as dial marks to indicate the time.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. It can help you know the corresponding time when you running in dark.
Clasp: Fold Over Clasp. A fold over clasp are used in the watch which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters, which is fully enough for your daily life. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.