|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|
|Dial Color||Transparent Dial|
|Band Length||Around 18cm|
Case Back: Transparent. The hard transparent back cover can better transmit your high taste for watch than solid back.
Crystal: Sapphire Crystal. The design of the crystal is a special anti-reflective coating that minimizes light reflection and provides 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. For the watch, we apply with hands of silver-tone, which can highly improve the outlook of the watch.
Second Markers: Minute Markers around the outer rim. The design of the second hand in the watch is as shown in the figure above, which can be used in many applications, such as clocks, radios with clocks, etc.to create timeless works.
Dial Markers: Dot. The watch uses a dot as a dial marker unlike the ordinary dial, the watch uses some simple dots as dial markings to show us what time it is.
Luminiscence: Hands and Markers. The watch’s luminiscence is hands and markers.Something that shines allows you to find time in the dark.
Clasp: Deployment. This is a great way to protect and store your watch, is a great way to protect and store your watch. It has a unique design that creates a secure lock, which can be easily opened and closed.
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, which is definitely 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.