|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|
|Dial Color||Black Dial|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Case Back: Solid. The hard solid bottom cover is the “second skin” of the watch. It covers metal and provides daily wear protection for the watch.
Crystal: Sapphire Crystal. Sapphire crystal is the impact resistance, air tightness and hardness of sapphire higher than other materials, and the processing cost is also high, so it is mostly used in top watch brands. Tips: The A watch is applied with mineral glass instead of sapphire.
Hands: Gold-tone. The watch’s hands is gold-tone, which looks pretty stunning and high-end.
Second Markers: Minute Markers around the outer rim. The second mark on the dial The second mark is a small disc placed on the outside of the clock to indicate the time.
Dial Markers: Diamonds. A watch is a timepiece that displays the time in an analog form, using diamonds as dial markers to indicate the time.
Luminiscence: Hands. The watch’s luminiscence is hands. It can help you know the corresponding time when you running in dark.
Bezel Material: Diamond Bezel. Bezel material is more noble and elegant. It makes you improve your temperament from the inside out. Tips: not real diamond.
Clasp: Fold Over Clasp. This watch case has a designed lock to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. Want a watch waterproof? Don’t hesitate to choose us, the depth of the watch is 30 meters, which has a good waterproof function. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.