ENRIVA Men's Automatic Pro Dive Mens Watch Aluminium Bezel Diving Watches Self-Wind Professional Diver Watches for Men, Blue Silver, Diving Watch

Water resistant:1000M/3301FT,it is suitable for professional diving. Helium escape valve: Because the movement may stop due to the pressure,this device can protect the movement when you are diving. After landing, once you press this device, the movement can work normally. With the DIY device, you can change the silicon band to stainless steel band by yourself. Sapphire crystal with anti-reflection coating and anti-Fingerprint coating,it can prevent the watch from scratching and abrasion. The luminous hands & dails, can let you read the time easily at the dark.