|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 Size||Around 31*45mm|
Band Material: Rubber.A rubber band is used for the watch, which is non-toxic, resistant to high and low temperatures, acid and alkali, flexible, and easy to maintain.
Crystal: Sapphire Crystal. A good sapphire mirror is a special anti-reflective coating that can 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. For the watch, the hands is silver-tone. It blends perfectly with the dial.
Dial Markers: Index. Indexs were used in this watch are used as markers instead of Roman numerals to indicate time.
Luminiscence: Hands. The watch’s luminiscence is hands. With this watch, you will not lose your time in dark.
Bezel Material: Ceramics Bezel. A luxury watch with a ceramic bezel is one of the most beautiful and delicate parts in the watch. The ceramic bezel provides a durable, elegant and expensive look to the watch.
Clasp: Deployment. Our watch uses a deployment clasp, which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Water Resistance: 30 meters. The watch we use a waterproof at 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.