|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||Diamonds Skull Dial|
|Band Length||Around 18cm|
|Band Width||Around 16mm|
Band Material: Rubber.A high-end watch with a rubber strap is most in line with the image of a powerful and creative urban hipster.
Crystal: Sapphire Crystal. Sapphire glass has a special anti-reflective coating that minimizes light reflection and provides 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. As for the watch’s hands, it is silver-tone which is pretty cool and fashionable.
Second Markers: Minute Markers around the outer rim. The design of the second mark 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, is used as a marker instead of Roman numerals and can affect the appearance of the dial.
Luminiscence: Hands and Markers. The style of the watch’s luminiscence is hands and markers. It helps you know the according time when in dark.
Bezel Material: Diamond Bezel. The diamond bezel made of diamond material. It needs to be durable and can resist abrasion. The design of diamond material makes it suitable for the watch bezel because of its ability to withstand a lot of pressure and friction. Tips: not real diamond.
Clasp: Deployment. This is a great way to protect and store your watch, which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Water Resistance: 30 meters. As for the waterproof depth of the watch, it is 30 meters, which is like a real watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.