|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 Thickness||Around 15mm|
Case Back: Transparent. xxxxx usually uses a transparent back, which can transmit impact better than the plastic back cover of a watch.
Crystal: Sapphire Crystal. The watch adopts sapphire crystal, which is easy to watch and brings a brand new visual effect to people watching the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The design of the other marks in the watch is that the second mark is a small disc, placed on the outside of the clock to indicate the time.
Dial Markers: Dot. The dot in a watch uses dots as dial markers to indicate time.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. It makes your watch look more funny and functional.
Bezel Material: Ceramics Bezel. The bezel, made of ceramic, made of ceramic material. It needs to be durable and can resist abrasion. The design of ceramic material makes it suitable for the watch bezel because of its ability to withstand a lot of pressure and friction.
Clasp: Deployment. Deployment clasps are used in the watch to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters, which is definitely enough for your daily life. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.