|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 4130||Genuine Swiss 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 7750/Mingzhu Engine|
|Dial Color||White Dial|
Band Material: 316L. The situation is that with 316L you can live in peace with your skin forever without causing harm.
Watch Case: 316L. The best 316L used in this case 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.
Case Back: Solid. The sturdy bottom cover is not soft or flexible in any way. It is made of steel, very durable and scratch-resistant.
Crystal: Sapphire Crystal. For watches, crystal is a very important part. Sapphire has higher impact resistance, air tightness and hardness than other materials, and its processing cost is also high, so most of it is used for top watch brands. Tips: The A watch is applied with mineral glass instead of sapphire.
Hands: Gold-tone. As you can see in the pictures above, the hand design of the watch is gold-tone, which is the perfect color to fit the watch.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is located on the outside of the clock and is used to indicate the time.
Dial Markers: Diamonds. The luxury diamonds marked on the watch dial are different from ordinary dials. The watch uses some simple diamonds as dial marks to show us the current time.
Luminiscence: Hands. About the luminosity of the watch is hands. It makes your watch look more funny and functional.
Bezel Material: Stainless Steel. The bezel, made of stainless steel bezel, made of stainless steel bezel material. It needs to be durable and can resist abrasion. The design of stainless steel bezel material makes it suitable for the watch bezel because of its ability to withstand a lot of pressure and friction.
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. About the watreproof depth of the watch, it is 30 meters, which is similar as real watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.