|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||Grey Dial|
Band Material: Leather.The watch often apply with a leather strap is non-toxic, resistant to high and low temperatures, acid and alkali, flexible, and easy to maintain.
Watch Case: 316L. The situation is that 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.
Crystal: Sapphire Crystal. The material of the watch is a special anti-reflective coating that can minimize light reflection and provide scratch resistance without affecting its brightness. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. The hand design of the watch is silver-tone, which is delicated and cool.
Second Markers: Minute Markers around the outer rim. The minute mark surrounding the outer edge of the glass is a design element that represents time, also known as a clock hand. This design element has been used in many famous designs such as watches, clocks and other objects.
Dial Markers: Luminous Index. The watch has luminous sticks technology, which makes the watch more exciting and exciting. It can help you see the time in the dark. A person can determine whether it is morning or evening from the sitting posture when he looks at the dial of the watch and from where he looks.
Luminiscence: Hands and Markers. For the watch, we apply with luminiscence of hands and markers. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. A stainless steel bezel is more simple and endurable. It makes you improve your temperament from the inside out.
Clasp: Deployment. This is a great way to protect and store your watch, which allows the user to fold it over in multiple positions or angles for unique use.
Water Resistance: 30 meters. About the watreproof depth of the watch, it 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.
Function: Date, Hour, Minute, Second. The watch has many functions, and it has many functions for various purposes, including mesuring time, mesuring time, timer and so on.