|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 Size||Around 50*42mm|
|Case Thickness||Around 14mm|
|Dial Color||Transparent Dial|
Case Back: Transparent. The transparent back cover commonly used by xxxxx is solemn, practical, and not flashy. It can consolidate its position without having to follow the trend.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it 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: Silver-tone. For the watch, the hands is silver-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The design of the second mark is also called the hands of the clock. This design element is used in many well-known designs.
Dial Markers: Dot. The dot on the dial show us what time it is, differ from ordinary dial.
Luminiscence: Hands and Markers. The watch’s luminiscence is hands and markers. It can help you know the corresponding time when you running in dark.
Clasp: Deployment. The innovative design of this watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. The waterproof depth of the watch 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.