|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|
|Band Length||Around 18cm|
|Case Thickness||Around 15mm|
Case Back: Transparent. We use a transparent back, which is a great way to add style and elegance to your wrist. High-end clear back watches are becoming more and more popular.
Crystal: Sapphire Crystal. The design hardness of crystal is very high, Mohs hardness is as high as 9, second only to diamond, and its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirror. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. For the watch, we apply with hands of silver-tone. It fits your watch dial perfectly.
Second Markers: Minute Markers around the outer rim. The minute marker around the outer edge of the glass is one of the most recognized design elements in all industries. Also known as clock hands, this design element has been used in many well-known designs such as watches and other objects.
Dial Markers: Dot. The luxury dot of the watch dial markers are used as dial markers instead of usual Roman numerals to indicate the time.
Luminiscence: Hands and Markers. The design of the watch’s luminiscence is hands and markers.Something that shines allows you to find time in the dark.
Clasp: Deployment. Deployment clasps are used here to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. The watch’s waterproof depth is 30 meters, which is definitely 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.
Function: Date, Hour, Minute, Second. At the same time, it has the functions of the second, minute and hour hands.