Patek Philippe Calatrava 40mm Mens 3919J-1 Black Dial

Band Material: Leather.Leather strap which is non-toxic, endurable and easy to clean.

Watch Case: 316L. The shell made of 316L has excellent corrosion resistance, excellent wear resistance and good wear resistance.

Case Back: Transparent. The case has a transparent cover and can be used for many years. There are many boxes made of various materials. The backs of these watches are sturdy and can be used for many years.

Crystal: Sapphire Crystal. The sapphire crystal mirror has a special anti-reflective coating to minimize light reflection and provide scratch resistance without affecting its brightness. Sapphire crystal is a highly transparent crystal that can be used to make optical lenses, diffractive optical elements, and filters. Tips: The A Replica/Quartz version is applied with mineral glass instead of sapphire.

Hand: Rose Gold-tone. About the watch, the hands is rose gold-tone that is cool and well-designed.

Dial Markers: Roman Numeral. Roman numeral dial marks use some simple number marks to indicateisplay the time, making the dial more simple and stylish.

Bezel Material: Stainless Steel. A luxury watch with a stainless steel bezel is the perfect material to use when designing a watch. The bezel will have endurable elegance, high performance, and high durability.

Clasp: Deployment. This is a great way to protect and store your watch, to make it easier and faster for the user to open and fold the watch case to keep it secure.

Water Resistance: 30 meters. The watchs waterproof depth is 30 meters, which is definitely enough for your daily life. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.