|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||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: 316L. The watch band is made of the best 316L, which can be polished, frosted, and can be plated with various materials. It has stable performance and is the best choice for watch bands.
Watch Case: 316L. A good watch case can better protect your watch. The density of 316L is close to iron, which generally does not affect the human body. This material is often used in the straps of Swiss watches.
Case Back: Solid. In the world of watches, a sturdy back cover is very important. It can transmit impact better than the plastic back cover of a watch.
Crystal: Sapphire Crystal. The watch uses sapphire crystal with very high hardness. The Mohs hardness is as high as 9, second only to diamonds. The hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. Tips: The A watch is applied with mineral glass instead of sapphire.
Hand: Silver-tone. As for the watch’s hands, it is silver-tone, which is the same color as your case color. It fits the watch well.
Dial Markers: Diamonds. The luxurious diamonds marked on the watch dial help us check the time anytime, anywhere.
Luminiscence: Hands. The design of the watch’s luminiscence is hands. With this watch, you can know time anywhere and anytime.
Bezel Material: Stainless Steel. The watch uses a high-end stainless steel bezel, which is an endurable material that can be used for dials and watch faces. It’s extremely resistant and flexible. Learn to design a gorgeous hand-made stainless steel bezel and how one can use it to create a luxury watch.
Clasp: Fold Over Clasp. This watch case has a designed lock which is more convenient for disassembly and replacement, and also ensures the quality and comfort of the strap.
Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which is fully 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.