|Grade||Genuine Rolex||3a swiss||swiss||automatic|
|Movement||Rolex Calibre 4130||Genuine Swiss4130 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|
Crystal: Sapphire Crystal. The sapphire crystal is a lustrous and transparent crystal, which is often used in high-precision optical instruments. Tips: The A watch is applied with mineral glass instead of sapphire.
Band Material: Rubber.As a new product, rubber straps simply put the durability and simplicity to the extreme.
Watch Case: 316L. The case uses the best 316L stainless steel, which is a highly durable and corrosion-resistant material.
Clasp: Fold Over Clasp. We use a fold over clasp for the watch to make it easier and quicker for the user to open and fold the case over to keep it secure.
Hands: Gold-tone. The hands of the watch is gold-tone. It fits your watch dial perfectly.
Luminiscence: Hands and Markers. The style of the watch’s luminiscence is hands and markers. These luminiscence makes your watch more refined and high-end.
Dial Markers: Diamonds. Watches use some simple diamonds as dial markers and diamonds as dial markers to indicate the time.
Second Markers: Minute Markers around the outer rim. The other signs in the watch are designed so that they can be used in various applications, such as clocks and radios with clocks, to create timeless creations.