|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|
|Band Length||Around 18cm|
|Band Width||Around 16mm|
Band Material: Rubber.A rubber band is used for the watch, which has become synonymous with sports and fashion.
Case Back: Solid. The case has a thick back cover, which can transmit impact better than the plastic case back of the watch.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is conducive to viewing and can bring people a brand new visual effect when looking at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As for the watch’s hands, it is silver-tone, which can highly improve the outlook of the watch.
Second Markers: Minute Markers around the outer rim. The second hand of the watch is designed as shown in the picture above, with minute markers on the outer edge, as shown in the picture above.
Dial Markers: Dot. The dot dial mark is used as a mark to indicate the time.
Luminiscence: Hands. About the luminosity of the watch is hands. The luminous things makes your watch more delicate and high-end.
Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It is a high-end material made from stainless steel bezel. It is the most expensive material of the watch. In addition, stainless steel bezel is a substance with high flexibility and energy absorption properties which can be used as the core medium of the watch.
Clasp: Deployment. The innovative design of this watch which is more durable and stylish.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 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.