|Grade||Genuine Richard Mille||3a swis||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||95% Exact on entire watch|
|Dial||Genuine Richard Mille||Exact detail and font||95% exact detail and font|
|Waterproof||50m 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 Length||Around 18cm|
|Band Width||Around 16mm|
Case Back: Transparent. We use a transparent back cover, which allows you to use and keep the watch for a long time.
Crystal: Sapphire Crystal. Sapphire crystal is the impact resistance, air tightness and hardness of sapphire higher than other materials, and the processing cost is also high, so it is mostly used in top watch brands. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the hand design of the watch 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 representing time, also known as a clock hand, which has been used in many well-known designs.
Dial Markers: Dot. The dot in a watch to determine time by looking at the dot, which is different from normal dial.