|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 is made of sturdy 316L material, sweeping the major material masters, and it has become the mainstream material of high-end fashion jewelry in Europe and the United States.
Crystal: Sapphire Crystal. Sapphire glass has a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its brightness. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hands of the watch is silver-tone, which is the same color as your case color. It fits the watch well.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge of the glass is a design element that represents time. The second mark is a small disc placed on the outside of the watch to indicate the time.
Dial Markers: Arabic Numeral. Arabic numeral dial marks use some simple number marks to indicateisplay the time, making the dial more simple and stylish.
Luminiscence: Hands. The luminiscence of the watch is hands. It makes your watch look more funny and functional.
Bezel Material: Stainless Steel. The stainless steel bezel is the prime material used for watch making. It has 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. The combination of a watch case and a bracelet watch which is more durable and stylish.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, full enough for your daily life. 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. The watch has a chronograph function, which can time the second, minute and hour hands at the same time.