|Grade||Genuine Richard Mille||3a swis||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 Back: Transparent. The case uses a transparent cover, which is never soft or flexible. It helps you see the engine inside clearly.
Crystal: Sapphire Crystal. The crystal design is a kind of lustrous and transparent crystal, which is often used in high-precision optical instruments. 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 fits your watch’s dial well.
Second Markers: Minute Markers around the outer rim. The design of other markers in the watch, as shown in the picture above, is the minute markers around the outer edge.
Dial Markers: Arabic Numeral. Arabic numerals were used in this watch are used as dial markers instead of usual index to indicate the time.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers.Something that shines allows you to find time in the dark.
Clasp: Deployment. We use a deployment clasp for the watch to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. Want a watch waterproof? Don’t hesitate to choose us, the depth of the watch is 30 meters. But please make sure you close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.