Stainless steel 316L (Stainless Steel) is a very durable material that theoretically can not be destroyed. It is hard (non-bendable and non-crackable), color stable, antiallergic (does not react with body fluids and therefore no metal components are not released into the skin and flesh) and has anticorrosive surface (the surface is resistant to oxidation and corrosion. Moreover, it is also resistant to fresh and salt water).

Tough Solar is a power technology of Casio watches. The solar cells, which are under the crystal, convert light energy into electrical energy, which is stored in the battery and powers the watch. This eliminates the need for battery replacement!

Stainless steel 316L (Stainless Steel) is a very durable material that theoretically can not be destroyed. It is hard (non-bendable and non-crackable), color stable, antiallergic (does not react with body fluids and therefore no metal components are not released into the skin and flesh) and has anticorrosive surface (the surface is resistant to oxidation and corrosion. Moreover, it is also resistant to fresh and salt water).

Subdial shows the time in 24-hour format. For example, the main dial shows 3 hours, which equals 15 on a subdial.

The watch automatically checks starting position of hands every hour, and adjust correct position if necessary. This eliminates deviation of the hands because of mechanical impact or influence of the magnetic field.

Displays the current day of the month period from 1 to 31 December.

Displays the current day of the week. Abbreviations days are in English (in rare cases a day of the week can be in German or in another language).

An illumination layer on hands which, after a short recharge, ensures illumination in the dark.

The watch Receives signals from atomic clocks, usually once every 24 hours. Deviation of atomic clocks is only one second in three million years. Therefore,watches equipped with this technology to receive radio signals are extremely accurate. Their owners can be assured that their time and date is always exact. This watch is receiving a signal from the transmitter, which are located in Europe (United Kingdom - Anthorn, Germany - Mainflingen), USA (Fort Collins, Colorado), Japan (Fukushima and Kyushu) and China (Shangqiu). In the event that you find yourself in an area that is not covered by the signal, your watch still maintains very high accuracy, and after returning to the coverage your time is again automatically adopted.

Measurement accuracy of 1/20 of a second. The maximum measurement time is 24 hours.

Display simply shows the times in selected major cities and areas of the world.

Watches marked with water tightness 100M/10ATM are designed for swimming and snorkeling and free diving without breathing apparatus. 100M/10ATM indicates the degree of water resistance standardized by ISO 6425. ISO tests include temperature changes, depth, pressure (water and air) for different times under the  rest and during manipulation with the operative part of the watch.

Currently the most widespread type of watch glass. It's very hard and has a high content of silicon thanks to which it's  highly scratch- and impact-resistant. However, it doesn't mean that it is completely scratch-resistant.

A Folding clasp is the most widespread method of fastening watch straps and wristbands. It's a simple and reliable fastening method. If it accidentally unfastens, it won't unfasten completely, and the watch will remain on your wrist.