Certina Sport DS Podium Big Chrono C001.647.27.057.00 is a men's sports watch with an accuracy of 1/100 second in real time. Its work is based on the Swiss ETA 251.264 Precidrive quartz movement with an EOL battery exhaustion indicator. It is also equipped with a Double Security security system and a tachymeter. The dial is protected by an anti-reflective sapphire crystal with a date display of the days of the month, a chronograph and a Super-LumiNova coating. The 316L stainless steel case isss connected with a black rubber strap. The Certina Sport DS Podium Big Chrono C0016472705700 is water-resistant to 20 ATM and a screwed crown and case back, you can swim and dive without scuba.