|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 7750/Mingzhu Engine|
|Dial Color||Black 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 situation is that daily seawater corrodes 316L, which is sufficient for this kind of steel.
Case Back: Solid. The sturdy bottom cover is solemn, practical and not flashy.
Crystal: Sapphire Crystal. Sapphire glass is a natural material that can reflect light to create optical illusions. Its long-lasting anti-reflective coating makes it ideal for scratch resistance, and the brightness of the crystal remains almost unchanged. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As you can see in the pictures above, the hand design of the watch is silver-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer circle is a design element that represents time, and the second mark is a small disc placed on the outside of the watch to indicate the time.
Dial Markers: Diamonds. A watch is a timepiece that displays the time in an analog form. Unlike ordinary dials, you can understand the time by looking at diamonds.
Luminiscence: Hands. For the watch, we apply with luminiscence of hands. With this watch, you will not waste time to check the real-time.
Bezel Material: Diamond Bezel. The watch bezel is the most expensive component of the watch. It is 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 faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which is a good feature for the watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.