|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||Skeleton Dial|
Watch Case: 316L. The case is made of high-grade stainless steel alloy 316L. It is corrosion resistant, easy to weld, durable and safe to use.
Case Back: Transparent. We use a transparent back cover, which is not soft or flexible in any way. It helps you see the engine inside clearly.
Crystal: Sapphire Crystal. The design of the crystal is a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its brightness. Sapphire crystal is a highly transparent crystal that can be used to make optical lenses, diffractive optical elements, and filters. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hands of the watch is silver-tone. It fits your watch dial perfectly.
Dial Markers: Diamonds. The diamonds in the watch help us check the time anytime, anywhere.
Luminiscence: Hands. About the watch, the luminiscence is hands. As you can see in the pictures above.
Bezel Material: Diamond Bezel. The watch uses a luxury diamond bezel, which is a high-end material made from diamond. It is the most expensive material of the watch. In addition, diamond is a substance with high flexibility and energy absorption properties which can be used as the core medium of the watch. Tips: not real diamond.
Clasp: Deployment. The combination of a watch case and a bracelet watch allows the user to fold it into several positions or angles for unique use.
Water Resistance: 30 meters. The watch’s waterproof depth 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.