|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|
|Band Length||Around 18cm|
|Dial Color||Diamonds Skull Dial|
Case Back: Transparent. The case uses a transparent cover, which makes the watch more durable and can withstand harsh outdoor environments such as rain, snow, cold or hot weather.
Crystal: Sapphire Crystal. The material of the watch 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. The design of the watch’s hands is silver-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The design of other marks in the watch is also called the hand of the clock, and this design element is used in many well-known designs.
Dial Markers: Dot. The dot in a watch to determine time by looking at the dot, which is different from normal dial.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. With this watch, you can know time anywhere and anytime.
Bezel Material: Stainless Steel. A stainless steel bezel has high dimensional stability, high resilience and UV resistance. It can be used in both hard and soft cases. It’s also resistant to water, heat and deliquescent substances like oil or food.
Clasp: Deployment. The innovative design of this 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. A good waterproof of the watch has been applied, it is 30 meters, which is fully enough for your daily life. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.