atlantic seacrest 50743.43.21 case diameter 38 mm sapphire glass automatic movement Claro888 Waterproof 30 m (3 bar) Case thickness 8.0mm Color of the dial silver (grey) Strap/bracelet material natural leather, blue, 22 cm bracelet at the case 20mm The Atlantic 50743.43.21 mechanism winds itself thanks to the movement of the wrist. For the device to work efficiently and accurately determine time, it should be used regularly. Dial The silver dial emphasizes the classic character of this model. The analog watch face is the most traditional and proven solution for years. Thanks to it, reading the indications is simple and intuitive. Glass The sapphire glass used to cover the dial of this watch is characterized by extremely high hardness. In practice, this means that it is very difficult to scratch its surface with normal use. Envelope In this variant, water resistance is limited. You certainly shouldn't intentionally submerge your watch, but accidental contact with a small amount of moisture shouldn't be harmful. The case of this model is silver, which gives many possibilities to match the watch with various outfits. The steel case is resistant to external factors. Strap A tribute to watchmaking tradition is a strap made of natural leather. It can last for a really long time, maintaining its excellent appearance and aging in its own unique way. Functions In addition to the time, Atlantic 50743.43.21 also informs you about the corresponding day number of the month.