Crystal: Sapphire Crystal. Sapphire crystal is a good choice because its hardness is very high, Mohs hardness is as high as 9, second only to diamond, and its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. Tips: The A Replica is applied with mineral glass instead of sapphire.

Water Resistance: 30 meters. About the watreproof depth of the watch, it is 30 meters. But make sure to close the crown properly. Tips: Standard configuration is just daily waterproof, need to purchase additional waterproof service which is up to 30 meters.

Watch Case: 316L. A good case can better protect your watch, and 316L can help form a corrosion protection film on the surface of metal materials.

Bezel Material: Stainless Steel. The stainless steel bezel 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.

Hand: Silver-tone. Regarding this watch, hand design is silver-tone which is pretty cool and fashionable.

Case Back: Solid. The sturdy bottom cover can transmit vibration better than the bottom cover of the plastic case. Except for the quartz version is with a solid case back, other versions have the same case back just as original watch.

Band Material: Rubber.A rubber band is used for the watch, which has a wide range of adaptations, ranging from Omega and Audemars Piguet to Casio.

Dial Markers: Index. These indexs in the watch to determine time by looking at the index, which is different from normal dial.

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