|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|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Watch Case: 316L. The material in this case comes from 316L stainless steel, making it durable, reliable and durable.
Case Back: Solid. The solid caseback is commonly used by Patek Philippe and is the most important part of the watch. It is strong, durable and scratch resistant.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is a high-quality glass that can clearly see the dial. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The watch’s hands is silver-tone, which is the same color as your case color. It fits the watch well.
Second Markers: Minute Markers around the outer rim. The design of other marks in the watch can be used in many different applications, such as watches, clock radios, etc.to create timeless works.
Dial Markers: Luminous Index. According to research, human eyes are sensitive to light at night, which is a new feature that has attracted much attention. It can display the time on the illuminated surface. This can be used to improve our visibility when walking at night or in a dark environment.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. With this watch, you can know time anywhere and anytime.
Bezel Material: Ceramics Bezel. The bezel, made of ceramic, is more noble and elegant. It makes you improve your temperament from the inside out.
Clasp: Fold Over Clasp. This watch case has a designed lock is a great way to protect and store your watch. It has a unique design that creates a secure lock, which can be easily opened and closed.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters. But make sure to close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.