|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|
Watch Case: 316L. The case is made of 316L stainless steel, making it reliable and durable.
Case Back: Transparent. The transparent back cover screw-in design ensures tight waterproof performance, and the transparent back cover has good waterproof performance and durability.
Crystal: Sapphire Crystal. A good sapphire mirror is a natural material that can reflect light to create an optical illusion. Its long-lasting anti-reflective coating makes it ideal for scratch resistance, and the brightness of the crystal remains almost unchanged. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Rose Gold-tone. The design of the watch’s hands is rose gold-tone, which fits your watch’s dial well.
Second Markers: Minute Markers around the outer rim. The design of the second hand in the watch is as shown in the figure above. It is called the hand of a clock. This design element is used in many well-known designs, such as clocks, clocks and so on.
Dial Markers: Arabic Numeral. Arabic numerals is used as a marker instead of dots and can affect the appearance of the dial.
Luminiscence: Hands. About the luminosity of the watch is hands. It can help you know the corresponding time in the dark.
Bezel Material: Stainless Steel. The stainless steel bezel is the prime material used for watch making. It has is more simple and endurable. It makes you improve your temperament from the inside out.
Clasp: Deployment. This watch use a deployment clasp can be a very appealing option to many consumers. It can adjust size to fit your waist. This watch bracelet has been made to meet all kinds of needs. It is manufactured using high-quality materials, designed with the concept of visual impact, and perfectly matches today’s fashion trends.
Water Resistance: 30 meters. About the watreproof depth of the watch, it 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.