|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 Thickness||Around 12mm|
|Case Size||Around 48*40mm|
Case Back: Transparent. xxxxx often uses a transparent back, which is neither soft nor flexible. It has excellent looking, can help you see movement inside.
Crystal: Sapphire Crystal. For watches, crystal is a very important part. Sapphire has higher impact resistance, air tightness and hardness than other materials, and its processing cost is also high, so most of it is used for top watch brands. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hands of the watch is silver-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is also called the clock hand. This design element has been used in many famous designs such as watches, clocks and other objects.
Dial Markers: Dot. The dot in a watch are used as markers instead of Roman numerals can impact the look of the dial.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers. These luminiscence makes your watch more refined and high-end.
Clasp: Deployment. The clasp of the watch to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. Always wearing the watch even when you are in bathroom? Don’t worry, the watch’s waterproof depth 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.