|Grade||Genuine Richard Mille||3a swiss||swiss|
|Time Accuracy||-3/+5 sec per day COSC certified||-5/+6 sec per day COSC certified||-10/+10 sec per day COSC certified|
|Stainless Steel Type||904L Stainless Steel||904L Stainless Steel||316L Stainless Steel|
|Crystal||Sapphire crystal||Sapphire crystal||Sapphire crystal|
|Logo & Markings||laser etchings||Exact on entire watch||90% Exact on entire watch|
|Dial||Genuine Richard Mille||Exact detail and font||90% exact detail and font|
|Waterproof||100m on standard models||Tested up to 300m||Tested up to 30m|
|Life expectancy||Lifetime||Lifetime||3-5 years|
|Warranty||2 Years||Up to 5 Years||Up to 3 Years|
Band Material: Rubber.We use a rubber strap is non-toxic, resistant to high and low temperatures, acid and alkali, flexible, and easy to maintain.
Crystal: Sapphire Crystal. The material of the watch is a special anti-reflective coating that can minimize light reflection and provide scratch resistance without affecting its brightness. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, the hands is silver-tone, which can highly improve the outlook of the watch.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge of the glass is a design element that represents time and can be used in many different applications, such as watches, clock radios, etc.to create timeless works.
Dial Markers: Arabic Numeral. The arabic numeral in a watch show us what time it is, differ from ordinary dial.