Seiko Men's Watches Premier SNL039 - 2 Seiko 7L22 Movement made in Japan Stainless Steel Case and Band with Three Fold Clasp with Push Button Release, Sapphire Crystal Kinetic power delivers quartz accuracy with no battery change Duration of full charge: Approximately 5 months, Chronograph up to 45 minutes in 1/5 second increments Water Resistant - 100M, Screw Down Caseback