|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||Super Luminova 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|
Band Material: Rubber.Rubber band is perfect for diving, due to its waterproof feature.
Watch Case: 316L. The material of this case comes from 316L, which has swept all major material masters and has become the mainstream material for high-end fashion jewelry in Europe and America.
Crystal: Sapphire Crystal. The hardness of the sapphire crystal watch is very high, the Mohs hardness is as high as 9, second only to diamond, and its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. Tips: The watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. Regarding this watch, hand design is silver-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The minute mark on the outer edge around the edge of the glass is one of the most recognized design elements in all industries and can be used in various applications such as clocks and radios with clocks to create timeless creations.
Dial Markers: Arabic Numeral. According to a study, the human eye is sensitive to number, to determine time by looking at the arabic numeral, which is different from normal dial.
Luminiscence: Hands. About the watch, the luminiscence is hands. With this watch, you will not lose your time in dark.
Bezel Material: Stainless Steel. The stainless steel bezel is the prime material used for watch making. It has has been around since ancient times. It has been used as a decorative material for watches and clocks for more than two thousand years. A watch face made from stainless steel bezel materials can withstand extreme temperatures.
Clasp: Deployment. The clasp of the watch which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters, which is definitely enough for your daily life. Tips: The watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Function: Date, Hour, Minute, Second. A watch is a very important device in everyone’s life, 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.