|Grade||Genuine Rolex||3a swis||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|
Band Material: 316L. The best used 316L for the band is one of the most heat-resistant stainless steel grades. Its corrosion resistance is very good, even at temperatures as high as 1100*F, without any further heat treatment.
Watch Case: 316L. The daily seawater corrosion situation is 316L, and 316L steel is completely sufficient.
Case Back: Solid. Patek Philippe generally uses a solid bottom cover, and the screw-in design ensures tight waterproof performance. The solid bottom cover has superior waterproof performance and durability.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. Its hardness is very high, with Mohs hardness as high as 9, second only to diamond. Its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hand: Blue-tone. As you can see in the pictures above, the hand design of the watch is blue-tone. It blends perfectly with the dial.
Dial Markers: Luminous Index. The bright luminous sticks marked on the dial allow you to easily distinguish the time in the dark.
Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers. With this watch, you will not lose your time in dark.
Bezel Material: Diamond Bezel. The bezel, made of diamond, a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking. Tips: not real diamond.
Clasp: Fold Over Clasp. We use a fold over clasp for the 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. We make the watch waterproof at 30 meters, which is fully enough for your daily life. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.