JIUSKO Men's 71LSB1202 Deep Sea Quartz Chronograph 300m Water Resist Black Silicone Sports Dive Watch Imported Men's multifunction quartz chronograph dive watch 43.5mm | 300 meters (984 feet) water resistant | scratch-resistant sapphire crystal | unidirectional ceramic bezel | stainless steel case, screw-in crown and buckle | helium escape valve at 9:00 Luminous display | one year manufacturer's warranty | available in blue and orange | jiusko professional hard shell storage case and leather warranty card holder included! Quartz movement Case diameter: 43.5mm Water resistant to 984 feet