|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|
|Case Size||Around 50*42mm|
|Band Width||Around 16mm|
|Case Thickness||Around 15mm|
Case Back: Transparent. We use a transparent back cover, which is usually used to protect the movement of the watch from direct damage. These watch cases can also increase the durability and strength of the watch movement.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is a very common glass that can protect your watch from scratches. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. The design of the watch’s hands is rose gold-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The minute mark surrounding the outer edge of the glass is a design element that represents time, also known as a clock hand. This design element has been used in many famous designs such as watches, clocks and other objects.
Dial Markers: Dot. These dots in the watch uses some simple dot marks to display the time, making the dial more simple and stylish.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. It can help you know the corresponding time when you running in dark.
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 watreproof depth of the watch, it is 30 meters that’s enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.