|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||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||Black Dial|
Band Material: 316L. The raw material of this watch is the hardest 316L, so you can always live in peace with your skin without causing harm.
Watch Case: 316L. The shell is made of 316L, which helps to form a corrosion protection film on the surface of the metal material.
Case Back: Transparent. The transparent back cover is neither soft nor flexible. It has excellent looking, can help you see movement inside.
Crystal: Sapphire Crystal. A watch made of sapphire crystal 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: Silver-tone. For the watch, we apply with hands of silver-tone that is simple but luxury.
Second Markers: Minute Markers around the outer rim. The second mark on the dial is a small round dial, placed on the outside of the watch to indicate the time.
Dial Markers: Index. The watch with index unlike the normal dial, the watch uses some simple indexs as dial markers to show us what time it is.
Luminiscence: Hands and Markers. As you can see in the pictures above, the luminescence of the watch is hands and markers. It makes your watch look more funny and functional.
Bezel Material: Stainless Steel. The watch uses a stainless steel bezel, which is more simple and endurable. It makes you improve your taste from the inside out.
Clasp: Fold Over Clasp. This watch use a fold over clasp which is more durable and stylish.
Water Resistance: 30 meters. A good waterproof of the watch has been applied, it is 30 meters, full enough for your daily life. 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 is the most important device in our daily life. It has a second hand, a minute hand and an hour hand at the same time.