Introducing the Seiko Marinemaster Ninja TUNA Prospex Marinemaster 7C46-0AG0 Black 300m Watch. This timepiece is designed for men and features a round black dial with luminous hands and indexes, a date indicator, day indicator, and stop-seconds function. The watch is water-resistant up to 300m and has a unidirectional rotating black bezel with round indexes. The case is made of stainless steel and has a PVD coating. The watch is powered by a quartz movement and has a sapphire crystal. The band is a two-piece rubber strap with a buckle closure, and the maximum wrist size is 8.1-8.25 inches. This watch is perfect for divers and sports enthusiasts who want a reliable and stylish timepiece.