|Grade||Genuine Patek Philippe||3a swis||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|
Function: Date, Hour, Minute, Second. The watch comes with a functional timer, the minute dial is used to estimate the current time, and the stop dial is used to estimate the time based on the interval.
Case Back: Solid. The case has a thick back, which transmits vibration better than the back of a plastic case.
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, called the hand of a clock. This design element is used in many famous designs, such as clocks, clocks and so on.
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.
Luminiscence: Hands. Regarding this watch, luminescence is hands. Something that shines allows you to find time in the dark.
Bezel Material: Diamond Bezel. The watch bezel is the most expensive component of the watch. It is made of diamond material. It needs to be durable and can resist abrasion. The design of diamond material makes it suitable for the watch bezel because of its ability to withstand a lot of pressure and friction. Tips: not real diamond.
Clasp: Deployment. The clasp design of the watch to make it easier and faster for the user to open and fold the watch case to keep it secure.
Watch Case: 316L. The raw material for this case is 316L steel, which is a very strong and corrosion-resistant steel. It has the same strength as the most popular grades (HRC52, HRC55), but only half the weight. Compared with competitors, the production cost of stainless steel is also higher.
Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters that is enough for no worries. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.
Dial Markers: Arabic Numeral. The watch with arabic numeral unlike the ordinary dial, the watch uses some clear numbers as dial markings to show us what time it is.