|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||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 Width||Around 16mm|
|Band Length||Around 18cm|
Case Back: Transparent. The case uses a thickened clear back, which is solemn and practical, not flashy, not drifting with the tide, and a stable position.
Crystal: Sapphire Crystal. Sapphire crystal is a lustrous, transparent crystal and is often used in high-precision optical instruments. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As for the watch’s hands, it is silver-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The design of the second mark The second mark is a small disc, placed on the outside of the clock to indicate the time.
Dial Markers: Arabic Numeral. The watch uses an arabic numeral as a dial marker help us check the time anytime, anywhere.