|Grade||Genuine Richard Mille||3a swis||swiss||automatic|
|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 Thickness||Around 12mm|
|Dial Color||Skeleton Dial|
|Band Width||Around 16mm|
Case Back: Transparent. The transparent back cover can be used for many years. The backs of these watches are clear to see and can be used for many years.
Crystal: Sapphire Crystal. We use sapphire crystal on the watch, which is 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%. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, the hands is silver-tone, which is the same color as your case color. It fits the watch well.
Second Markers: Minute Markers around the outer rim. The second mark on the outside of the clock is designed to indicate the time.
Dial Markers: Dot. We can use watches with dots, and dot dial marks can help us check the time anytime, anywhere.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers.Something that shines allows you to find time in the dark.
Clasp: Deployment. This watch case has a designed clasp to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. Always wearing the watch even when you are in bathroom? Don’t worry, the watch’s waterproof depth is 30 meters, which is similar as real watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.