|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|
|Case Size||Around 48*40mm|
|Band Width||Around 16mm|
|Case Thickness||Around 12mm|
Case Back: Transparent. The transparent back cover can better transmit your high taste for watch than solid back.
Crystal: Sapphire Crystal. A good sapphire mirror is a lustrous and transparent crystal, which is often used in high-precision optical instruments. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. About the watch, the hands is rose gold-tone, which looks pretty stunning and high-end.
Second Markers: Minute Markers around the outer rim. The small mark on the outer edge of the glass edge is one of the most recognized design elements in all industries, namely the minute mark around the outer edge.
Dial Markers: Dot. The dot on the dial are used as dial markers instead of usual Roman numerals to indicate the time.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. It can help you know the corresponding time when you running in dark.
Clasp: Deployment. This watch case has a designed lock 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, full 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.