|Grade||Genuine Richard Mille||3a swis||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 12mm|
|Dial Color||Skeleton Dial|
|Band Width||Around 16mm|
|Case Size||Around 48*40mm|
Case Back: Transparent. Patek Philippe often uses a transparent back, which is neither soft nor flexible. It has excellent looking, can help you see movement inside.
Crystal: Sapphire Crystal. The material of the watch is high-quality glass, and the dial is clearly visible. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The watch’s hands is silver-tone, which looks pretty stunning and high-end.
Second Markers: Minute Markers around the outer rim. The design of the second mark is also called the hand of the clock. This design element is used in many well-known designs such as clocks and other objects.
Dial Markers: Dot. The watch uses a dot as a dial marker are used as dial markers instead of usual Roman numerals to indicate the time.
Luminiscence: Hands and Markers. The luminosity of the watch is hands and markers. With this watch, you will lose your time in dark.
Clasp: Deployment. The clasp of the watch to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. The waterproof depth of the watch 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.