|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 12mm|
|Band Width||Around 16mm|
|Case Size||Around 48*40mm|
Case Back: Transparent. The transparent back cover can better transmit your high taste for watch than solid back.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it is the only high-quality anti-reflective material that can provide scratch resistance without affecting its luster. 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, which can highly improve the outlook of the watch.
Second Markers: Minute Markers around the outer rim. The design of the second mark is also called a clock hand, and this design element has been used in many well-known designs.
Dial Markers: Dot. The dot in a watch can dot dial markers help us check the time anytime, anywhere.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. With this watch, you will lose your time in dark.
Clasp: Deployment. This watch case has a designed lock is a great way to protect and store your watch. It has a unique design that creates a secure lock, which can be easily opened and closed.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters, which has a good waterproof function. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.