Patek Philippe Calatrava Men's 40mm CalatravaBKSB015 Black Dial

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

Crystal: Sapphire Crystal. A good sapphire mirror is a lustrous and transparent crystal, which is often used in high-precision optical instruments. Tips: The A Replica is applied with mineral glass instead of sapphire.

Watch Case: 316L. The case has 316L, which can help to form a corrosion protection film on the surface of metal materials.

Dial Markers: Index. The index in a watch instead of Roman numerals to show us the time.

Clasp: Fold Over Clasp. The clasp of the watch which is more durable and stylish.

Function: Date, Hour, Minute, Second. The watch has many functions, and it has many functions for various purposes, including mesuring time, mesuring time, timer and so on.

Band Material: 316L. The watch band is made of 316L stainless steel, which is a medium-to-high-end shell material. Because it contains molybdenum, it is more wear-resistant than 304, and the grade is also nice.

Case Back: Transparent. The case has a transparent cover, which can indicate the engine inside clearly.

Water Resistance: 30 meters. About the watreproof depth of the watch, it is 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.

Hand: Silver-tone. The design of the watch's hands is silver-tone which is pretty cool and fashionable.