|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 3235||Genuine Swiss3235 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|
|Dial Color||Black Dial|
|Engine||Rolex Calibre 2836/2813|
Band Material: 316L. 316L is used as a watch band that is corroded by daily seawater.
Watch Case: 316L. This watch case uses the best 316L, which will never fade, deform, and is environmentally friendly.
Case Back: Solid. The sturdy case back allows you to use and keep the watch longer.
Crystal: Sapphire Crystal. Watches made of sapphire crystal are a high-quality optical material, often used in the construction of watches. 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. For the watch, the hands is silver-tone which is pretty cool and fashionable.
Second Markers: Minute Markers around the outer rim. As shown in the picture above, the second mark on the dial is the minute mark around the outer edge.
Dial Markers: Luminous Index. The bright luminous sticks marked on the watch dial will light up when there is no light.
Luminiscence: Hands and Markers. The watch’s luminiscence is hands and markers. The luminous things makes your watch more delicate and high-end.
Bezel Material: Diamond Bezel. A diamond bezel is the perfect material to use when designing a watch. The bezel will have elegant appearance, high performance, and high durability. Tips: not real diamond.
Clasp: Fold Over Clasp. This is a great way to protect and store your watch, to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters, which is fully enough for your daily life. 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 watch is the most important device in our daily life, and it plays an important role in our life like any other electronic product. The functions of the watch are chronograph, hour, minute and second.