|Grade||Genuine Patek Philippe||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 Patek Philippe||Exact detail and font||90% exact detail and font||70% Exact detail and font|
|Luminous Markers||Patek Philippe Lumen||SuperLuminova Swiss Lumen||Swiss Lumen||Normal Lumen|
|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||Blue Dial|
Band Material: 316L. The material of this band is 316L, which will never fade, deform, and is environmentally friendly.
Watch Case: 316L. The raw material of this case is 316L, which is a durable metal that is both light and strong. It is corrosion resistant, non-magnetic and highly polished.
Crystal: Sapphire Crystal. As an excellent watch, we have applied a very good viewability and brought a brand new visual effect to people watching the time. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As you can see in the pictures above, the hand design of the watch is silver-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The second hand in the watch is designed as shown above and is located on the outside of the clock to indicate the time.
Dial Markers: Index. According to a study, the human eye is sensitive to point, index dial markers help us check the time anytime, anywhere.
Luminiscence: Hands and Markers. As for the watch’s luminiscence, it is hands and markers. With this watch, you will not lose your time in dark.
Bezel Material: Stainless Steel. A stainless steel bezel a unique structure that makes it an excellent choice for watches. The material can resist scratches, abrasions and indentation. This bezel material is the most resistant to heat and cold of all materials used in watchmaking.
Clasp: Fold Over Clasp. A fold over clasp are used here to make it easier and quicker for the user to open and fold the case over to keep it secure.
Water Resistance: 30 meters. The waterproof depth of the watch 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. The watch has a time measurement function, that is, measuring time and seconds.