Patek Philippe Calatrava Mens 40mm CalatravaBKSB015 Black Dial

Band Material: 316L. The band material is solid 316L, which can be polished, frosted, and can be plated with a variety of materials. It has stable performance and is the best choice for the band.

Watch Case: 316L. The situation is that daily seawater corrodes 316L, which is sufficient for this kind of steel.

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: Silver-tone. As you can see in the pictures above, the hand design of the watch is silver-tone. It blends perfectly with the dial.

Second Markers: Minute Markers around the outer rim. The second mark on the dial is a small round dial, placed on the outside of the watch to indicate the time.

Dial Markers: Index. The replica watch uses a index as a dial marker are used as dial markers instead of usual Roman numerals to indicate the time.

Bezel Material: Stainless Steel. The stainless steel bezel material is one of the best materials for watches. It is a different way to look at watches. The design of the bezel brings a new level of quality and sophistication to the watch. This material allows for a more fused look and enhances the usability of the timepiece.

Clasp: Fold Over Clasp. A fold over clasp are used here to make it easier and faster for the user to open and fold the watch case to keep it secure.

Water Resistance: 30 meters. We make the watch waterproof at 30 meters, which is similar as real watch. Tips: The A Replica is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.

Function: Date, Hour, Minute, Second. The watch has many functions, including a second hand, a minute hand, and an hour hand.