Round green-dial watch featuring date window between 4 and 5 o'clock, tachymeter scale at bezel, and three sub-dials with 60 second, 60 minute and 24 hour functions 39.5mm stainless steel case with mineral dial window Japanese quartz movement with analog display Three-link stainless steel bracelet with fold-over-clasp and safety closure Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving Japanese quartz movement Mineral crystal stainless steel case and bracelet Chronograph functions with 60 second, 60 minute and 24 hour subdials with silver tone border date window between 4:00 and 5:00 Green dial with silver tone hands and hour markers luminous tachymeter scale on stainless steel bezel screw-down crown and pushers large yellow three slotted box included Water resistant to 660 feet (200 M): suitable for recreational scuba diving