|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 7750/Mingzhu Engine|
|Dial Color||Black Dial|
Band Material: 316L. The watch band is made of 316L, which helps to form an anti-corrosion film on the surface of the metal material.
Watch Case: 316L. The case is made of the best 316L stainless steel, which has very good corrosion resistance and good texture.
Case Back: Solid. The case has a thick bottom cover, which is the “second skin” of the watch. It covers metal and provides daily wear protection for the watch.
Crystal: Mineral Glass. The watch is made of mineral glass, mineral glass material, high-end, good reputation.
Hands: Gold-tone. As you can see in the pictures above, the hand design of the watch is gold-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is one of the most recognized design elements in all industries. The second mark is a small disc placed on the outside of the watch to indicate the time.
Dial Markers: Diamonds. The diamond dial markers are used as markers instead of Roman numerals to indicate the time.
Bezel Material: Stainless Steel. A luxury watch with a stainless steel bezel is the perfect material to use when designing a watch. The bezel will have endurable elegance, high performance, and high durability.
Clasp: Fold Over Clasp. The innovative design of this watch which allows the user to fold it over in multiple positions or angles for unique and unique use.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters. But please make sure you close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.