|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||Skeleton Dial|
|Case Thickness||Around 12mm|
|Case Size||Around 48*40mm|
Case Back: Transparent. The hard transparent back cover is not soft or inflexible in any way. It helps you see the engine inside clearly.
Crystal: Sapphire Crystal. A watch made of sapphire crystal is a unique optical material. It is not only dazzling, but also scratch-resistant. The color rendering index (CRI) of the anti-reflective coating is 100, and the brightness is increased by up to 50%. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. As for the watch’s hands, it is rose gold-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge of the glass is one of the most recognized design elements in all industries. It is called the hand of a clock. This design element is used in many famous designs such as clocks, clocks and other objects.
Dial Markers: Dot. The watch has an dot because the dial markers are used as dial markers instead of the usual Roman numerals to indicate the time.
Luminiscence: Hands and Markers. The style of the watch’s luminiscence is hands and markers. The luminous things makes you find the time in dark.
Clasp: Deployment. Our this watch uses a deployment clasp allows the user to fold it into several positions or angles for unique use.
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’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.