|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 Back: Transparent. The transparent back cover is solemn, practical, not flashy, does not follow the trend, and stabilizes the position.
Crystal: Sapphire Crystal. Sapphire crystal is a very common glass that can protect your watch from scratches. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone that is cool and well-designed.
Second Markers: Minute Markers around the outer rim. The second mark on the watch can be used in various applications, such as clocks and radios with clocks, to create timeless creations.
Dial Markers: Dot. According to a study, the human eye is sensitive to point, instead of Roman numerals to show us the time.
Luminiscence: Hands and Markers. The watch’s luminiscence is hands and markers. It can help you know the corresponding time when you running in dark.
Clasp: Deployment. This watch case has a designed clasp allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. Want a watch waterproof? Don’t hesitate to choose us, the depth of the watch is 30 meters that’s enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.