|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 50*42mm|
|Case Thickness||Around 15mm|
Case Back: Transparent. In the world of watches, the transparent back cover is a very common screw-in design to ensure tight waterproof performance, and the transparent back cover has good waterproof performance and durability.
Crystal: Sapphire Crystal. Sapphire glass has the only high-quality anti-reflective material that can provide 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: Silver-tone. As you can see in the pictures above, the hand design of the watch is silver-tone. It blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The design of the dial is also called a clock hand. This design element has been used in many well-known designs such as watches and other items.
Dial Markers: Dot. Unlike ordinary dials, watches have dots as dial marks, and watches use some simple dots as dial marks to tell us what time it is now.
Luminiscence: Hands and Markers. For the watch, we apply with luminiscence of hands and markers. It makes your watch look more funny and functional.
Clasp: Deployment. Deployment clasps are used here to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. About the watch, the 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.