Seiko Prospex Sumo SPB101 Automatic Diver Black Dial Marathon Universal Coordination Display

Universal Coordination Display

1/100-second

barometric pressure

has been inspired by the dangerous

4mm or Ø 43mm

Seiko Prospex Sumo SPB101 Automatic Diver Black Dial Marathon Universal Coordination DisplayProspex Automatic Diver Manual and automatic winding capabilities 21,600 vibrations per hour Power reserve: approximately 70 hours 24 jewels Black one way rotating elapsed timing bezel Black dial Date calendar LumiBrite hands and markers Sapphire crystal Screwdown crown and caseback Case diameter: 45. 0mm Stainless steel case and bracelet Tri fold clasp with push button release, secure lock and extender Water resistant to 200 meters (660 feet),