|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 16mm|
|Band Width||Around 16mm|
Case Back: Transparent. We use a transparent back, which is the most common part of the watch. It is simple, durable and easy to see engine inside.
Crystal: Sapphire Crystal. As an excellent watch, we use a special anti-reflective coating to minimize light reflection and provide scratch resistance without affecting its brightness. Sapphire crystal is a highly transparent crystal that can be used to make optical lenses, diffractive optical elements, and filters. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone which is pretty cool and fashionable.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is also called the hand, and this design element has been used in many famous designs.
Dial Markers: Dot. With a dot dot dial markers help us check the time anytime, anywhere.
Luminiscence: Hands and Markers. About the luminosity of the watch is hands and markers. It helps you know the according time when in dark.
Bezel Material: Diamond Bezel. The watch uses a high-end diamond bezel, which is more noble and elegant. It makes you improve your temperament from the inside out. Tips: not real diamond.
Clasp: Deployment. Deployment clasps are used here can be a very appealing option to many consumers. It can adjust size to fit your waist. This watch bracelet has been made to meet all kinds of needs. It is manufactured using high-quality materials, designed with the concept of visual impact, and perfectly matches today’s fashion trends.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which has a good waterproof function. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.