|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|
|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|
Band Material: Leather.Leather band which is non-toxic, endurable and easy to clean.
Watch Case: 316L. 316L is used as a case for daily seawater corrosion, and 316L steel is sufficient.
Case Back: Transparent. The transparent back cover can transmit a high taste and good looking than solid back.
Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is a special anti-reflective coating that minimizes light reflection and provides scratch resistance without affecting its luster. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Black-tone. As for the watch’s hands, it is black-tone that is simple but luxury.
Dial Markers: Roman Numeral. According to a study, the human eye is sensitive to number, unlike the ordinary dial, the watch uses some clear numbers as dial markings to show us what time it is.
Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It 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.
Clasp: Deployment. The clasp of the 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. The watch’s waterproof depth is 30 meters. But please make sure you 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 indicate date and can measure time. The watch has a indicate date and can measure time. The dial is used to estimate the current time, and the stop is used to estimate the time after the interval.