|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|
Watch Case: 316L. A good case can better protect your watch. 316L has excellent corrosion resistance, excellent wear resistance and good anti-wear properties.
Case Back: Solid. The case uses a thick back cover, which is more waterproof than the transparent bottom. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
Crystal: Sapphire Crystal. For watches, crystal is a very important part, and it is a high-quality optical material that is often used in watch construction. The unique anti-reflective coating can provide scratch resistance without affecting its gloss. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The style of the watch’s hands is silver-tone. It blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The design of the dial can be used in various applications, such as clocks and radios with clocks, to create timeless creations.
Dial Markers: Luminous Index. The luminous sticks in the watch can be used in many devices to show the time in a dark place. These sticks can actually be used to represent time. After turning on the power, you can find the time with a single tap.
Luminiscence: Hands and Markers. As you can see in the pictures above, the luminescence of the watch is hands and markers. It helps you know the according time when in dark.
Bezel Material: Ceramics Bezel. Bezel material is the perfect material to use when designing a watch. The bezel will have elegant elegance, high performance, and high durability.
Clasp: Deployment. Deployment clasps are used here which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Water Resistance: 30 meters. The watch we use a waterproof at 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.