|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||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 band is made of 316L stainless steel, making it durable.
Watch Case: 316L. This watch case is made of the best 316L stainless steel, which has very good corrosion resistance and good texture.
Case Back: Solid. The hard solid bottom cover is not soft or inflexible in any way. It is made of steel, very durable and scratch-resistant.
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, the hands is silver-tone. It fits your watch dial perfectly.
Dial Markers: Diamonds. The watch uses some simple diamonds as dial markers instead of Roman numerals to show us the time.
Luminiscence: Hands. For the watch, we apply with luminiscence of hands. With this watch, you will not waste time to check the real-time.
Bezel Material: Stainless Steel. Stainless steel bezel is a material that is one of the most beautiful and delicate parts in the watch. The stainless steel bezel provides a durable, endurable and expensive look to the watch.
Clasp: Fold Over Clasp. This watch case has a designed lock to make it easier and faster for the user to open and fold the watch case to keep it secure.
Water Resistance: 30 meters. About the watch, the waterproof depth is 30 meters. But make sure to close the crown properly. Tips: The A watch is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.