|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|
|Case Thickness||Around 15mm|
|Dial Color||Transparent Dial|
Case Back: Transparent. xxxxx commonly use transparent covers, which can allow you to use longer and keep the watch longer.
Crystal: Sapphire Crystal. The watch uses sapphire crystal with very high hardness. The Mohs hardness is as high as 9, second only to diamonds. The hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. 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 that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is also called the clock hand. This design element has been used in many famous designs such as watches and other items.
Dial Markers: Dot. The watch with dot are used as markers instead of Roman numerals to indicate time.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. It makes your watch look more high-end.
Clasp: Deployment. The combination of a watch case and a bracelet watch can be a very appealing option to many consumers. It can adjust size to fit your waist. This watch bracelet has been made to meet all kinds of needs. It is manufactured using high-quality materials, designed with the concept of visual impact, and perfectly matches today’s fashion trends.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which has a good waterproof function. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.