Patek Philippe Calatrava Men’s 3919J Asian Automatic White Dial

Crystal: Sapphire Crystal. For watches, crystal is a very important part, a lustrous and transparent crystal, which is often used in high-precision optical instruments. Tips: The A Replica/Quartz Version is applied with mineral glass instead of sapphire.

Dial Markers: Roman Numeral. The watch uses some clear numbers as dial markers unlike a normal dial, you can see the time by looking at the Roman numeral.

Case Back: Transparent. In the watch world, a transparent back cover is very important and is usually used to protect the movement of the watch from scratches and external damage. These watch cases can also increase the durability and strength of the watch movement.

Bezel Material: Stainless Steel. The stainless steel bezel is a high-end material made from stainless steel bezel. It is the most expensive material of the watch. In addition, stainless steel bezel is a substance with high flexibility and energy absorption properties which can be used as the core medium of the watch.

Watch Case: 316L. The case is made of sturdy 316L material, sweeping the major material masters, and it has become the mainstream material of high-end fashion jewelry in Europe and the United States.

Band Material: Leather.The leather material the most popular strap for high-end watches.

Clasp: Deployment. This watch use a deployment clasp to make it easier and faster for the user to open and fold the watch case to keep it secure.