|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|
|Case Thickness||Around 15mm|
Case Back: Transparent. The case uses a transparent cover, which is the most common part of the watch. It is simple, durable and easy to see engine inside.
Crystal: Sapphire Crystal. Sapphire glass 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. Regarding this watch, hand design is rose gold-tone, that makes your watch luxury and funny.
Dial Markers: Arabic Numeral. The arabic numeral on the dial help us check the time anytime, anywhere.
Luminiscence: Hands. The design of the watch’s luminiscence is hands. It can help you know the corresponding time in the dark.
Bezel Material: Diamond Bezel. The watch bezel is the most expensive component of the watch. It is has been around since ancient times. It has been used as a decorative material for watches and clocks for more than two thousand years. A watch face made from diamond materials can withstand extreme temperatures. Tips: not real diamond.
Clasp: Deployment. The combination of a watch case and a bracelet watch which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. We make the watch waterproof at 30 meters. But make sure to close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Function: Date, Hour, Minute, Second. Re-engraved watch function, the re-engraved watch can measure time and seconds accordingly.