|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|
|Case Color||Yellow Gold-tone|
|Engine||Rolex Calibre 7750/Mingzhu Engine|
Band Material: 316L. The raw material of this watch is the hardest 316L, which has a density close to iron and generally does not affect the human body. This material is often used in the straps of Swiss watches.
Watch Case: 316L. For the case of the hardest 316L material used for daily seawater corrosion, 316L steel is completely sufficient.
Case Back: Solid. We use a solid back cover, which is the most important part of the watch. It is strong, durable and scratch resistant.
Hands: Gold-tone. About 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 minute mark around the outer edge of the glass is a design element that represents time. It is also called the hand of a clock. This design element is used in many well-known designs.
Dial Markers: Index. The index dial mark will indicate the time for us.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. These luminiscence makes your watch more refined and high-end.
Bezel Material: Stainless Steel. Bezel material is more simple and endurable. It makes you improve your temperament from the inside out.
Clasp: Fold Over Clasp. The innovative design of this watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters. But make sure to close the crown properly. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss