|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|
Crystal: Mineral Glass. Mineral Glass is the best choice for most people. It is a lustrous and transparent crystal that is often used in high-precision optical instruments.
Clasp: Fold Over Clasp. The clasp of the watch which has a unique design that creates a secure clasp, which can be opened and closed with ease.
Case Back: Solid. The sturdy case back can transmit impact better than the plastic case back.
Band Material: 316L. The watch band is made of the best 316L, sweeping the major material masters, and it has become the mainstream material of high-end fashion jewelry in Europe and America.
Watch Case: 316L. The case uses 316L to provide excellent corrosion resistance, excellent wear resistance and good wear resistance.
Bezel Material: Stainless Steel. The watch uses a high-end stainless steel bezel, which has high dimensional stability, high resilience and UV resistance. It can be used in both hard and soft cases. It’s also resistant to water, heat and deliquescent substances like oil or food.
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 watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
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 well-known designs.
Function: Date, Hour, Minute, Second. A watch is a very important device in everyone’s life. The watch has a indicate date to measure time, the minute dial is used to estimate the current time, and the stop dial is used to estimate the time after an interval.
Luminiscence: Hands and Markers. The luminiscence of the watch is hands and markers. It makes your watch look more high-end.
Dial Markers: Index. The index on the dial uses some simple index marks to display the time, making the dial more simple and stylish.