|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 2236||Genuine Swiss 2236 movement||Swiss 2836 Movement||Asian 2813 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|
|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|
|Case Thickness||Around 12mm|
|Band Width||Around 13mm|
|Engine||Rolex Calibre 2671/Mingzhu Engine|
Band Material: 316L. The band is made of 316L, which will never fade, deform, or abrade the skin, and is environmentally friendly.
Watch Case: 316L. The case is made of 316L steel, which is a very strong and corrosion-resistant steel. It has the same strength as the most popular grades (HRC52, HRC55), but only half the weight. Compared with competitors, the production cost of stainless steel is also higher.
Case Back: Solid. The case uses a thick solid back, which can be used for many years. There are many boxes made of various materials. These watch cases cannot prevent damage and are easily damaged. The backs of these watches are sturdy and can be used for many years.
Crystal: Sapphire Crystal. A good sapphire mirror is conducive to viewing and can bring a brand new visual effect when looking at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hands: Gold-tone. The hands of the watch is gold-tone. It blends perfectly with the dial.
Dial Markers: Roman Numeral. The watch with Roman numeral are used as dial markers instead of usual index to indicate the time.
Bezel Material: Diamond Bezel. The diamond material is one of the best materials for watches. It is a different way to look at watches. The design of the bezel brings a new level of quality and sophistication to the watch. This material allows for a more luxurious look and enhances the usability of the timepiece. Tips: not real diamond.
Clasp: Fold Over Clasp. We use a fold over clasp for the watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
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.
Function: Date, Hour, Minute, Second. The function of the watch has a indicate date to measure time, the minute dial is used to estimate the current time, and the stop dial is used to estimate the time after the interval.