|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 4130||Genuine Swiss Clone 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|
|Engine||Rolex Calibre 2836/2813|
|Case Color||Rose Gold-tone|
Band Material: 316L. The raw material of this watch band is 316L, which can be polished, frosted, and can be plated with a variety of materials. It has stable performance and is the best choice for watch bands.
Watch Case: 316L. The case is made of 316L, the hardest material, with a density close to iron, which generally does not affect the human body. This material is often used in the straps of Swiss watches.
Case Back: Solid. The sturdy back cover can transmit vibrations better than the back of the plastic case.
Crystal: Sapphire Crystal. The sapphire crystal mirror is made of high-quality optical materials and is often used in the manufacture 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: Rose Gold-tone. The design of the watch’s hands is rose gold-tone. It blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The second marker is designed as shown in the picture above, with minute markers around the outer edge.
Dial Markers: Diamonds. According to research, the human eye is very sensitive to points, and diamonds in watches instead of Roman numerals as markers will affect the appearance of the dial.
Luminiscence: Hands. The style of the watch’s luminiscence is hands. It makes your watch look more funny and functional.
Bezel Material: Diamond Bezel. The diamond bezel is the prime material used for watch making. It has is more noble and elegant. It makes you improve your taste from the inside out. Tips: not real diamond.
Clasp: Fold Over Clasp. A fold over clasp are used here to make it easier and quicker for the user to open and fold the case over 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.