|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|
|Band Width||Around 16mm|
|Band Length||Around 18cm|
Case Back: Transparent. The case has a transparent cover cover, which is often 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. For the watch, crystal is a very important part, and you can feel a clear and bright field of vision when you look at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hand design of the watch is silver-tone, which fits your watch’s dial well.
Second Markers: Minute Markers around the outer rim. The second mark on the dial can be used in various applications, such as clocks and radios with clocks, to create timeless creations.
Dial Markers: Roman Numeral. The watch uses a Roman numeral as a dial marker show us what time it is, differ from ordinary dial.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. As you can see in the pictures above.
Bezel Material: Diamond Bezel. The diamond material is one of the best materials for watches. It is more noble and elegant. It makes you improve your temperament from the inside out. Tips: not real diamond.
Clasp: Deployment. The combination of a watch case and a bracelet watch to make it easier and quicker for the user to open and fold the case over 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. But please make sure you close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.