|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*43mm|
|Dial Color||Transparent Dial|
Case Back: Transparent. The case has a transparent cover cover, which can easily show people your high taste and knowledge for watch.
Crystal: Sapphire Crystal. The hardness of the material of the watch is very high, the Mohs hardness is as high as 9, second only to diamond, and its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, the hands is silver-tone, which is the same color as your case color. It fits the watch well.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is called the hand of the clock. This design element is used in many famous designs such as clocks, clocks and other objects.
Dial Markers: Dot. A watch is a timepiece that displays the time in an analog form, show us what time it is, differ from ordinary dial.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. The luminous things makes your watch more delicate and high-end.
Bezel Material: Ceramics Bezel. The ceramic bezel is the prime material used for watch making. It has is more noble and elegant. It makes you improve your taste from the inside out.
Clasp: Deployment. The clasp design of the watch allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters, which is definitely 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.