|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|
|Case Thickness||Around 12mm|
|Band Width||Around 16mm|
|Band Length||Around 18cm|
|Case Size||Around 48*40mm|
Band Material: Rubber.As you can see, many rubber bands are used in xxx watches, which is non-toxic, endurable and easy to clean.
Crystal: Sapphire Crystal. Sapphire crystal is a good choice because it is a lustrous and transparent crystal that is often used in high-precision optical instruments. Tips: The watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. About the watch, the hands is silver-tone, which can highly improve the outlook of the watch.
Second Markers: Minute Markers around the outer rim. The second mark on the watch is located on the outside of the clock and is used to indicate the time.
Dial Markers: Dot. The dot on the dial unlike the normal dial, the watch uses some simple dots as dial markers to show us what time it is.
Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers. It helps you know the according time when in dark.
Clasp: Deployment. Our watch uses a deployment clasp, which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. We make the watch waterproof at 30 meters, which has a good waterproof function. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
3a Swiss, 5a Swiss, Automatic, Swiss, Top Swiss