|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|
|Dial Color||Transparent Dial|
Case Back: Transparent. The transparent back cover screw-in design ensures tight waterproof performance, and the transparent back cover has good waterproof performance and durability.
Crystal: Sapphire Crystal. The material of the watch is sapphire, which has higher impact resistance, air tightness and hardness than other materials, and the processing cost is also high, so it is mostly used for top watch brands. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. Regarding this watch, hand design is rose gold-tone, which looks pretty stunning and high-end.
Second Markers: Minute Markers around the outer rim. The second mark on the dial The second mark is a small disc, placed on the outside of the watch to indicate the time.
Dial Markers: Dot. With a dot unlike the normal dial, the watch uses some simple dots as dial markers to show us what time it is.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. With this watch, you can know time anywhere and anytime.
Bezel Material: Ceramics Bezel. The bezel, made of ceramic, has high dimensional stability, high resilience and UV resistance. It can be used in both hard and soft cases. It’s also resistant to water, heat and deliquescent substances like oil or food.
Clasp: Deployment. Deployment clasps are used in the watch which has a unique design that creates a secure clasp, which can be opened and closed with ease.
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.