|Grade||Genuine Richard Mille||3a swiss||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|
|Band Length||Around 18cm|
|Case Size||Around 48*40mm|
|Dial Color||Skeleton Dial|
|Case Color||Rose Gold-tone|
|Case Thickness||Around 12mm|
Case Back: Transparent. The transparent back cover is a great way to add style and elegance to your wrist. High-end clear back watches are becoming more and more popular.
Crystal: Sapphire Crystal. The crystal design is the only high-quality anti-reflective material that provides scratch resistance without affecting its brightness. Using this new technology, you can protect the surface of your watch at the most important moments in your life. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. About the watch, the hands is rose gold-tone which is pretty cool and fashionable.
Second Markers: Minute Markers around the outer rim. The small mark on the outer edge of the glass edge is one of the most recognized design elements in all industries, also known as clock hands. This design element has been used in many famous designs, such as watches and other objects.
Dial Markers: Dot. dots were used in this watch will indicate time for us.
Luminiscence: Hands and Markers. The style of the watch’s luminiscence is hands and markers. It helps you know the according time when in dark.
Clasp: Deployment. This watch use a deployment clasp which has a unique design that creates a secure clasp, which can be opened and closed with ease.
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 a good feature for the watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.