|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 3230||Genuine Swiss3230 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|
|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 2836/2813|
Bezel Material: Stainless Steel. Bezel material has been around since ancient times. It has been used as a decorative material for watches and clocks for more than two thousand years. A watch face made from stainless steel bezel materials can withstand extreme temperatures.
Watch Case: 316L. This watch case is made of the best 316L stainless steel, which is a medium-to-high-end shell material. Because it contains molybdenum, it is more wear-resistant than 304, and the grade is also high.
Second Markers: Minute Markers around the outer rim. The design of the second mark is also called a clock hand. This design element has been used in many famous designs such as watches and other items.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters, which is a good feature for the watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers. With this watch, you will not waste time to check the real-time.
Crystal: Sapphire Crystal. A good sapphire mirror is a high-end, well-reputed sapphire. Tips: The A watch is applied with mineral glass instead of sapphire.
Clasp: Fold Over Clasp. Our watch uses a folding buckle strap, to make it easier and quicker for the user to open and fold the case over to keep it secure.
Band Material: 316L. The band is made of high-grade stainless steel alloy 316L. It is corrosion resistant, easy to weld, durable and safe to use.
Dial Markers: Index. A watch is a timepiece that displays the time in an analog form, are used as a markers to indicate what time it is.