Stainless steel; Hardlex crystal; Case size: 47.8mm; Tri-fold push-button deployment clasp closure with secure lock and extender; Water resistant to 20 ATM, meets ISO scuba diving standards; 24-jewel automatic movement with a power reserve of approximately 41 hours; Black dial with luminous hands and hour markers and magnified day/date window at 3:00 o'clock; Brushed stainless steel case with blue unidirectional rotating bezel, screw-down crown and case back; Stainless steel link bracelet; A special edition celebrating Seiko's official partnership with PADI, the world's leading scuba diver training operation; Manufacturer's 3-year limited warranty; Photo may have been enlarged and/or enhanced; Imported