|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|
|Band Width||Around 16mm|
|Case Color||Rose Gold-tone|
|Band Length||Around 18cm|
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. Sapphire glass is a very common glass that can protect your watch from scratches. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. For the watch, we apply with hands of rose gold-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The design of the second mark can be used in various applications, such as clocks and radios with clocks, to create timeless creations.
Dial Markers: Dot. The dot in a watch to indicate what time it is.
Luminiscence: Hands and Markers. As you can see in the pictures above, the luminescence of the watch is hands and markers. It can help you know the corresponding time when you running in dark.
Bezel Material: Stainless Steel. Bezel material 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. Deployment clasps are used in the watch which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters. But make sure to close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.