|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|
|Dial Color||Transparent Dial|
Case Back: Transparent. xxxxx generally uses a transparent back, and the screw-in design ensures tight waterproof performance. The transparent back cover has good waterproof performance and durability.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it is conducive to viewing and can bring new visual effects to people when looking at the time. 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 delicated and cool.
Second Markers: Minute Markers around the outer rim. The design of the other marks in the watch is that the second mark is a small disc placed on the outside of the watch to indicate the time.
Dial Markers: Dot. The dot in a watch can to determine time by looking at the dot, which is different from normal dial.
Luminiscence: Hands and Markers. For the watch, we apply with luminiscence of hands and markers. With this watch, you can know time anywhere and anytime.
Bezel Material: Ceramics Bezel. A ceramic bezel is more noble and elegant. It makes you improve your taste from the inside out.
Clasp: Deployment. The combination of a watch case and a bracelet watch to make it easier and quicker for the user to open and fold the case over to keep it secure.
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.