|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 2836/2813|
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters that’s enough for no worries. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Luminiscence: Hands. Regarding this watch, luminescence is hands. It can help you know the corresponding time when you running in dark.
Clasp: Fold Over Clasp. A fold over clasp are used in the watch to make it easier and faster for the user to open and fold the watch case to keep it secure.
Watch Case: 316L. In this case, 316L, which has the best daily seawater corrosion, is used, and 316L steel is completely sufficient.
Hand: Rose Gold-tone. Regarding this watch, hand design is rose gold-tone, which can highly improve the outlook of the watch.
Case Back: Solid. The hard solid bottom cover can make the watch more durable, they can withstand harsh outdoor environments, such as rain, snow, cold or hot weather.
Dial Markers: Diamonds. These diamonds in the watch are used as markers, and not the Roman numerals will affect the appearance of the dial.
Crystal: Sapphire Crystal. Watches made of sapphire crystal can block moisture and dust, protect the hands, dial and movement. Tips: The watch is applied with mineral glass instead of sapphire.
Second Markers: Minute Markers around the outer rim. The design of the second mark is also called a clock hand, and this design element has been used in many well-known designs.
Bezel Material: Diamond Bezel. The diamond bezel is the prime material used for watch making. It has 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.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss