|Grade||Genuine Richard Mille||AAAAA Clone||AAA Replica||A Replica|
|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||Sapphire crystal||Mineral Glass|
|Logo & Markings||laser etchings||Exact on entire watch||95% Exact on entire watch||90% Exact on entire watch|
|Dial||Genuine Richard Mille||Exact detail and font||95% exact detail and font||90% Exact detail and font|
|Waterproof||50m 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 Back: Transparent. The case uses a transparent cover, which is never soft or flexible. It helps you see the engine inside clearly.
Crystal: Sapphire Crystal. A good sapphire mirror is a special anti-reflective coating that can minimize light reflection and provide scratch resistance without affecting its brightness. Sapphire crystal is a highly transparent crystal that can be used to make optical lenses, diffractive optical elements, and filters. Tips: The A Replica is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As for the watch’s hands, it is silver-tone. It blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is also called the clock hand. This design element has been used in many famous designs such as watches and other items.
Dial Markers: Dot. We can use an dotted watch as a dial marker instead of the usual Roman numerals to indicate the time.
Luminiscence: Hands. The design of the watch’s luminiscence is hands. It can help you know the corresponding time in the dark.
Clasp: Deployment. The innovative design of this watch which is more durable and stylish.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which has a good waterproof function. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.