IWC Portuguese Chrono Blue Dial IW390507 40mm Automatic Rubber Band

Band Material: Rubber. Rubber band is perfect for diving, due to its waterproof feature.

Watch Case: 316L. The raw material of this case is 316L, one of the most heat-resistant stainless steel grades. Its corrosion resistance is very good, even at temperatures as high as 1100*F, without any further heat treatment.

Case Back: Transparent. The transparent back cover is solemn, practical and not flashy. It can consolidate its position without following the trend.

Crystal: Sapphire Crystal. Sapphire crystal is the best choice for most people. It is a natural material that can reflect light to create an optical illusion. Its long-lasting anti-reflective coating makes it ideal for scratch resistance, and the brightness of the crystal remains almost unchanged. Tip: The first-range cheap movement version is made of mineral glass.

Hand: Silver Tone. Regarding this watch, hand design is silver-tone, which fits your watch’s dial well.

Second Markers: Minute markers around the outer rim. The dial design can be used in many different applications, such as watches, clock radios, etc.to create timeless works.

Dial Markers: Arabic Numeral. A watch is a timepiece that displays the time in an analog form, the watch determines time by looking at the arabic numer, which is different from dot dial.

Luminiscence: Hands. About the watch, the luminiscence is hands. It makes your watch look more high-end.

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.

Clasp: Deployment. The combination of a watch case and a bracelet watch allows the user to fold it over in multiple positions or angles for personal use.

Water Resistance: 30 meters. The waterproof depth of the watch is 30 meters, which is like a real watch. Tips: The standard configuration is just life waterproof, need to purchase additional waterproof service which is up to 30 meters.