• Movement – 21 Jewel Self Winding Automatic Movement
• Water Resistant – 200Meters(660 feet) Water Resistant
• Case Diameter – 46 MM
• Crystal – Hardlex Crystal

Amazon.com Product Description
This 21-jewel, automatic watch winds itself with the motion of your wrist, so you’ll never need to change the battery. It has a stainless steel case and features a black dial with three-hand function, easy-to-read bar markers, and an English/Spanish day/date window at the three o’clock position. Additional features include a screw-down case and crown, a scratch-resistant Hardlex crystal, and a one-way rotating bezel that keeps track of elapsed time. With its Lumibrite hands, markers, and bezel, this watch is easy to read in both light and dark conditions. Designed for diving, this watch is water-tested to 200 meters. It meets ISO standards and is suitable for scuba diving…. More >>

Seiko Men’s SKX779 “Black Monster” Automatic Dive Resin Strap Watch