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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).
Automatic watches are powered by mechanical movement. They work on the principle of gradual opening of coiled spring. The energy of natural hand movements is transmitted during watch wearing through the rotor winding system, which automatically tightens the spring. Depending on the structure and length of the springs, these watches can work for varying periods of time, this ranges usually from 24 to 48 hours.
The watch is compatible with a mobile phone via Bluetooth. Supported operating systems: iOS 10 or later, Android 6.0 or later.
Displays the current day of the month period from 1 to 31 December.
This feature is mostly found in solar-powered watches. It shows the battery charge status. If the indicator indicates a low level, just expose the watch to light and battery will recharge.
Limited Edition is a special production lot of watches of limited quantity distributed all over the world. Each piece is unique, usually by having an embossed numerical designation - serial number. Most are also available with a special limited packaging.
Keep track of your activity and get up-to-date information on the number of steps you've taken, distance travelled and calories burned.
When activated, it monitors and records selected body functions while sleeping. Based on the stored motion and heart rate sensor data, it‘s possible to analyse the course and quality of sleep in the application, as well as detecting the approximate cause of morning fatigue.
The watch is equipped with pre-programmed (perpetual) calendar, which recognizes long and short month and leap years. This eliminates the need for setting the date for long and short month.
The watch can be paired via Bluetooth with devices running on Android and iOS.
Display simply shows the times in selected major cities and areas of the world.
Watches marked with water tightness 50M/5ATM are designed for incidental contact with water (car wash, rain), but also for surface swimming without diving. 50M/5ATM indicates the degree of water resistance standardized by ISO 2281. ISO tests include temperature changes, depth, pressure (water and air) for different times under rest and during manipulation with the operative part of the watch.
Sapphire glass in the watch was made in a laboratory by melting aluminium oxide (Al2O3) in the presence of hydrogen and oxygen at 2000 °C. After crystallisation into the corundum 'pear', it's cut and further processed into the desired shape and size. Sapphire glass is the hardest glass used in watches. It would be second behind diamond on the scale of mineral hardness, so it can only scratched by diamond. Its only disadvantage is its fragility.
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