|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 Width||Around 16mm|
|Dial Color||Transparent Dial|
Case Back: Solid. The hard solid bottom cover can transmit vibration better than the bottom cover of the plastic case.
Crystal: Sapphire Crystal. Sapphire glass is a natural material that can reflect light to create optical illusions. Its long-lasting anti-reflective coating makes it ideal for scratch resistance, and the brightness of the crystal remains almost unchanged. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The watch’s hands is silver-tone. It fits your watch dial perfectly.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is one of the most recognized design elements in all industries, also known as hands. This design element has been used in many well-known designs.
Dial Markers: Dot. A watch is a timepiece that displays the time in an analog form, is used as a marker instead of Roman numerals and can affect the appearance of the dial.
Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers. These luminiscence makes your watch more refined and high-end.
Clasp: Deployment. This watch use a deployment clasp allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters, which is a good feature for the watch. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.