|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|
|Dial Color||Transparent Dial|
Case Back: Transparent. In the world of watches, a transparent back cover is very common, allowing you to see the engine inside.
Crystal: Sapphire Crystal. The watch is made of sapphire, high-end, and has a good reputation. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone, which can highly improve the outlook of the watch.
Second Markers: Minute Markers around the outer rim. The second mark on the watch can be used in many different applications, such as watches, clock radios, etc.to create timeless works.
Dial Markers: Dot. dots were used in this watch is used as a marker instead of Roman numerals and can affect the appearance of the dial.
Luminiscence: Hands and Markers. The luminosity of the watch is hands and markers. These luminiscence makes your watch more refined and high-end.
Bezel Material: Ceramics Bezel. The watch bezel is the most expensive component of the watch. It is is one of the most beautiful and delicate parts in the watch. The ceramic bezel provides a durable, elegant and expensive look to the watch.
Clasp: Deployment. The clasp of the watch which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Water Resistance: 30 meters. The watch we use a waterproof at 30 meters that’s enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.