|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|
|Dial Color||Black With Diamonds Dial|
Case Back: Transparent. In the world of watches, a transparent back cover is very common. It is solemn, practical and not flashy. It can consolidate its position without having to follow the trend.
Crystal: Sapphire Crystal. The design of crystal is that sapphire has higher impact resistance, air tightness and hardness 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. For the watch, the hands is silver-tone which is pretty cool and fashionable.
Second Markers: Minute Markers around the outer rim. The design of minute markers around the outer edge of the dial.
Dial Markers: Dot. The dot in a watch can unlike the ordinary dial, the watch uses some simple dots as dial markings to show us what time it is.
Luminiscence: Hands. The luminosity of the watch is hands. These luminiscence makes your watch more refined and high-end.
Clasp: Deployment. Deployment clasps are used here which is more durable and stylish.
Water Resistance: 30 meters. Want a watch waterproof? Don’t hesitate to choose us, the depth of the watch is 30 meters, which is fully enough for your daily life. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.