|Grade||Genuine Rolex||AAAAA Clone||AAA Replica||A Replica|
|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|
|Case Thickness||16 mm|
Band Material: 316L. 316L is used as a band for daily seawater corrosion, and 316L steel is sufficient.
Watch Case: 316L. The chassis uses 316L for daily seawater corrosion, which is completely sufficient for this kind of steel.
Second Markers: Minute Markers around the outer rim. The second mark on the watch The second mark is a small disc placed on the outside of the clock to indicate the time.
Dial Markers: Index. The index on the dial unlike a normal dial, you can see the time by looking at the index.
Crystal: Sapphire Crystal. Sapphire glass has a unique optical material. It is not only dazzling, but also scratch-resistant. The color rendering index (CRI) of the anti-reflective coating is 100, and the brightness is increased by up to 50%.
Water Resistance: 100 meters. The watch we use a waterproof at 100 meters. But please make sure you close the crown properly.(The ordinary Automatic movement is just daily waterproof, need to purchase additional waterproof service which is up to 100 meters.)
Case Back: Solid. A hard bottom cover will have better water resistance than a through bottom. A waterproof sealing ring is added to the through-bottom watch, which makes it difficult to seal.
Bezel Material: Stainless Steel. The stainless steel bezel is the prime material used for watch making. It has is one of the most beautiful and delicate parts in the watch. The stainless steel bezel provides a durable, endurable and expensive look to the watch.
Engine: Rolex Calibre 7750. ETA 7750 is a Swiss-made timepiece with extremely high performance and precision. As one of the commonly used Swiss movements, the 7750 movement is excellent in terms of quality and reputation.
Clasp: Fold Over Clasp. The clasp of the watch allows the user to fold it into several positions or angles for unique and unique use.
Hands: Gold-Tone. For the watch, the hands is gold-tone, which is the same color as your case color.
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