|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|
Band Material: Rubber.Rubber strap has excellent properties in preventing sweat and moisture, and has no allergic reaction to the skin.
Crystal: Sapphire Crystal. The crystal design allows people to feel a clear and bright vision when looking at the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About 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 minute mark on the outer edge of the glass is a design element representing time, also known as a clock hand, which has been used in many well-known designs.
Dial Markers: Arabic Numeral. The watch uses some clear numbers as dial markers are used as a markers to indicate what time it is.
Luminiscence: Hands. About the luminosity of the watch is hands. The luminous things makes you find the time in dark.
Bezel Material: Ceramics Bezel. A luxury watch with a ceramic bezel is a different way to look at watches. The design of the bezel brings a new level of quality and sophistication to the watch. This material allows for a more luxurious look and enhances the usability of the timepiece.
Clasp: Deployment. The clasp of the watch allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. The waterproof depth of the watch 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.