|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|
|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|
Band Material: Leather.A high-end watch with a leather strap is non-toxic, resistant to high and low temperatures, acid and alkali, flexible, and easy to maintain.
Watch Case: 316L. The case is made of the best 316L stainless steel, which has excellent corrosion resistance. The case is also hypoallergenic and scratch-resistant. It can withstand high temperature environments and provide shock protection.
Case Back: Transparent. xxxxx usually uses a transparent back, which can make the watch more durable, they can withstand harsh outdoor environments, such as rain, snow, cold or hot weather.
Crystal: Sapphire Crystal. Watches made of sapphire crystal have a very high hardness, with a Mohs hardness of 9, which is second only to diamonds. Its 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. The design of the watch’s hands is silver-tone, that makes your watch luxury and funny.
Second Markers: Minute Markers around the outer rim. The minute mark around the outer edge of the glass is one of the most recognized design elements in all industries, and the second mark is a small disc placed on the outside of the clock to indicate the time.
Dial Markers: Roman Numeral. The watch uses a Roman numeral as a dial marker to determine time by looking at the Roman numeral, which is different from normal dial.
Bezel Material: Stainless Steel. The watch bezel is the most expensive component of the watch. It is has high dimensional stability, high resilience and UV resistance. It can be used in both hard and soft cases. It’s also resistant to water, heat and deliquescent substances like oil or food.
Clasp: Deployment. This watch case has a designed lock which makes it more convenient for you to wear the watch, and the appearance is more beautiful.
Water Resistance: 30 meters. The waterproof depth of the watch 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.