|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||White Dial|
Crystal: Sapphire Crystal. We use sapphire crystal for the watch, which is a very common glass that can protect your watch from scratches. Tips: The A watch is applied with mineral glass instead of sapphire.
Band Material: 316L. This watch band uses the best 316L, which not only directly protects the internal parts of the watch, but also determines the performance indicators of the watch to a large extent.
Luminiscence: Hands and Markers. The style of the watch’s luminiscence is hands and markers. As you can see in the pictures above.
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.
Watch Case: 316L. The case made of 316L is one of the most heat-resistant stainless steel grades. Its corrosion resistance is very good, even at temperatures as high as 1100*F, without any further heat treatment.
Dial Markers: Index. The index in a watch is used as a marker instead of Roman numerals and can affect the appearance of the dial.
Case Back: Transparent. We use a transparent back cover, which allows you to use and keep the watch for a long time.
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. It is also called the hand of a clock. This design element is used in many wells.
Bezel Material: Stainless Steel. A luxury watch with a stainless steel bezel is a high-end material made from stainless steel bezel. It is the most expensive material of the watch. In addition, stainless steel bezel is a substance with high flexibility and energy absorption properties which can be used as the core medium of the watch.
Function: Date, Hour, Minute, Second. The watch has many functions, and it plays an important role in our lives like any other electronic product. The functions of the watch are chronograph, hour, minute and second.