Seiko – SRP779
Self and automatic winding capabilities
21,600 vibrations per hour
Power reserve: approximately 41 hours
Screwdown crown and caseback
One-way rotating elapsed timing bezel
LumiBrite hands and markers
Case Diameter 45.0 mm
Water Resistance: Diver's Watch to 200 meters (660 feet).
Meets ISO standards and is suitable for scuba diving.