|Grade||Genuine Hublot||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||90% Exact on entire watch||70% Exact on entire watch|
|Dial||Genuine Hublot||Exact detail and font||90% exact detail and font||70% Exact detail and font|
|Waterproof||100m 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||Black Dial|
Watch Case: 316L. The case material is 316L, which can be polished, frosted, and can be plated with a variety of materials. It has stable performance and is the best choice for the case.
Crystal: Sapphire Crystal. The hardness of the material of the watch is very high, the Mohs hardness is as high as 9, second only to diamond, and its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The watch’s hands is silver-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The design of other marks in watches, also known as clock hands, has been used in many well-known designs such as watches and other objects.
Dial Markers: Luminous Index. Watches with luminous sticks will be highlighted when you are about to look at the watch, and then gradually become darker when you look at the watch.
Luminiscence: Hands and Markers. About the watch, the luminiscence is hands and markers. With this watch, you will lose your time in dark.
Clasp: Deployment. This is a great way to protect and store your 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. Always wearing the watch even when you are in bathroom? Don’t worry, the watch’s waterproof depth is 30 meters. But make sure to close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Function: Date, Hour, Minute, Second. Like the function of any other electronic device, it plays an important role in our lives. The functions of the watch are chronograph, hour, minute and second.