Features: ana-digi quartz movement.Professional divers watch.Underwater depth display down to 260 feet - 80 m.Water-temperature indicator (-5c~+40c).For diving log memo (4 dives).Depth alarm.Dive time alarm.Maximum depth indicator.Dive time(up to 100 minutes).Rapid ascent warning.1/100 second chronograph measures up to 24 hours.Alarm.Full auto calendar.200m water resistant.Case screwdown crown and screw caseback.Unidirectional rotating elapsed time bezel.Hardened mineral glass.Stainless steel case.Stainless steel bracelet with wet suit extension.Battery battery life about 2 years.Low battery indicator.Dimensions diameter 42mm thickness 12 mm.Weight 193g.