|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|
Case Back: Transparent. In the world of watches, a transparent back cover is very common, neither soft nor flexible. It has excellent looking, can help you see movement inside.
Crystal: Sapphire Crystal. Watches made of sapphire crystal are high-quality glass, and the dial can be clearly seen. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About 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 second marked design is called the hand of the clock. This design element is used in many well-known designs such as clocks, clocks and other objects.
Dial Markers: Dot. A watch is a timepiece that displays the time in an analog form, are used as dial markers instead of usual Roman numerals to indicate the time.
Luminiscence: Hands and Markers. Regarding this watch, luminescence is hands and markers. The luminous things makes your watch more delicate and high-end.
Bezel Material: Ceramics Bezel. A ceramic bezel has been around since ancient times. It has been used as a decorative material for watches and clocks for more than two thousand years. A watch face made from ceramic materials can withstand extreme temperatures.
Clasp: Deployment. This watch case has a designed clasp which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters. But make sure to close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.