|Grade||Genuine Rolex||3a swis||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. Our watch case is made of 316L material, which not only directly protects the internal parts of the watch, but also determines the various performance indicators of the watch to a large extent.
Case Back: Solid. The solid case back can transmit impact better than the plastic case back.
Crystal: Sapphire Crystal. The watch adopts sapphire crystal, which is easy to watch and brings a brand new visual effect to people watching the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hands: Gold-tone. For the watch, the hands is gold-tone, which is the perfect color to fit the watch.
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 and can be used in various applications such as clocks and radios with clocks to create timeless creations.
Dial Markers: Index. According to a study, the human eye is sensitive to point, unlike a regular dial, the watch uses a few simple indexs to mark the dial to indicate the current time.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. It helps you know the according time when in dark.
Clasp: Fold Over Clasp. This is a great way to protect and store your watch, to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters. But please make sure you close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.