|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 Back: Transparent. The transparent back cover can make the watch more durable, and they can withstand harsh outdoor environments such as rain, snow, cold or hot weather.
Crystal: Sapphire Crystal. The material of the watch is a special anti-reflective coating that can minimize light reflection and provide scratch resistance without affecting its brightness. Sapphire crystal is a highly transparent crystal that can be used to make optical lenses, diffractive optical elements, and filters. 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 which is pretty cool and fashionable.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is the minute mark around the outer edge.
Dial Markers: Dot. The watch with dot are used as dial markers instead of usual Roman numerals to indicate the time.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers.Something that shines allows you to find time in the dark.
Bezel Material: Diamond Bezel. Diamond Bezel is a material that is more noble and elegant. It makes you improve your taste from the inside out. Tips: not real diamond.
Clasp: Deployment. This is a great way to protect and store your watch, is a great way to protect and store your watch. It has a unique design that creates a secure lock, which can be easily opened and closed.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters that is enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.