|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|
|Dial Color||Transparent Dial|
Case Back: Transparent. The transparent back cover transmits a high taste and good looking than solid back.
Crystal: Sapphire Crystal. The watch mirror adopts sapphire design, high-end, and good reputation. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, we apply with hands of silver-tone. It blends perfectly with the dial.
Second Markers: Minute Markers around the outer rim. The second mark on the watch The second mark is a small disc placed on the outside of the clock to indicate the time.
Dial Markers: Dot. A watch is a timepiece that displays the time in an analog form, are used as dial markers instead of usual Roman numerals to indicate the time.
Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers. The luminous things makes you find the time in dark.
Bezel Material: Ceramics Bezel. The watch uses a luxury ceramic bezel, which is a high-end material made from Ceramic. It is the most expensive material of the watch. In addition, Ceramic is a substance with high flexibility and energy absorption properties which can be used as the core medium of the watch.
Clasp: Deployment. This watch case has a designed clasp which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. The watch’s 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.