This Nautis Dive Chrono 500 watch is crafted from 316L surgical-quality stainless steel, featuring a Japanese Miyota JS25 Quartz Movement and a full-function chronograph. It boasts a non-glare sapphire crystal, logo-engraved stainless steel caseback, and a rotating bezel with an aluminum insert. The screw-down crown ensures water resistance, complemented by a 316L stainless steel bracelet with a logo-engraved clasp. Additional features include a helium release valve, Swiss Super-LumiNova hands and markers for visibility, a date display, a 24-hour sub-dial, a 45mm case diameter, and a water resistance of 50 ATM, making it approved for professional deep diving. The watch has a green stainless steel finish and comes in one size.