|Grade||Genuine Rolex||AAA Swiss||Swiss||Automatic|
|Movement||Rolex Calibre 3135||Genuine Swiss 3135 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|
Clasp: Fold Over Clasp. The clasp of the watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Crystal: Sapphire Crystal. The design of the crystal is a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its brightness. Tips: The A is applied with mineral glass instead of sapphire.
Watch Case: 316L. The case is made of 316L stainless steel, which is a highly durable and corrosion-resistant material.
Water Resistance: 30 meters. Always wearing the watch even when you are in bathroom? Don’t worry, the watch’s waterproof depth is 30 meters, which has a good waterproof function. Tips: The A is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
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.
Function: Date, Hour, Minute, Second. Its function plays an important role in our lives just like any other electronic product. The functions of the watch are chronograph, hour, minute and second.
Case Back: Solid. xxx often uses a solid bottom cover, which is the “second skin” of the watch. It covers metal and provides daily wear protection for the watch.
Hand: Silver-tone. For the watch, the hands is silver-tone which is pretty cool and fashionable.
Band Material: 316L. The raw material of this watch is the hardest 316L, so you can always live in peace with your skin without causing harm.