|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|
|Dial Color||White Dial|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It is an endurable material that can be used for dials and watch faces. It’s extremely resistant and flexible. Learn to design a gorgeous hand-made stainless steel bezel and how one can use it to create a luxury watch.
Second Markers: Minute Markers around the outer rim. The outer minute mark around the edge of the glass is a design element that represents time, and the minute mark around the outer edge is as shown in the picture above.
Dial Markers: Luminous Index. The luminous sticks used in this watch is a new type of sensor that can detect time in the dark. When receiving a signal from an external source, this sticks will light up. It then sends a signal to the computing device, telling it when to turn the lights on and off.
Watch Case: 316L. The case is made of 316L, which is the most corroded by daily seawater, which is sufficient for this kind of steel.
Hand: Rose Gold-tone. Regarding this watch, hand design is rose gold-tone which is pretty cool and fashionable.
Band Material: 316L. The band made of 316L, the hardest material, not only directly protects the internal parts of the watch, but also determines the various performance indicators of the watch to a large extent.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, full enough for your daily life. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Clasp: Fold Over Clasp. Our this watch uses a folding buckle strap, which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. The luminous things makes your watch more delicate and high-end.
Case Back: Solid. xxx usually uses a solid bottom cover, which is more waterproof than a through-bottom one. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss