|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 Length||Around 18cm|
Band Material: Rubber.Rubber strap is gradually becoming a symbol of youth and sport.
Crystal: Sapphire Crystal. Sapphire crystals have good thermal properties, excellent electrical and dielectric properties, and are resistant to chemical corrosion. It has the characteristics of high temperature resistance, good thermal conductivity, high hardness, infrared penetration, and good chemical stability. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The style of the watch’s hands is silver-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is a design element that represents time and is located on the outside of the clock to indicate the time.
Dial Markers: Dot. The dot in a watch can are used as dial markers instead of usual Roman numerals to indicate the time.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. With this watch, you will not lose your time in dark.
Bezel Material: Stainless Steel. The stainless steel bezel is the prime material used for watch making. It has a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.
Clasp: Deployment. Deployment clasps are used in the watch 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.