Seiko Prospex Sumo SPB179 Automatic Diver Arctic Blue Dial MR-G It is secured in place

It is secured in place by four prominent screws

Vibrations Per Hour: 28'800 alt/h

this landmark timepiece propelled Seiko into the forefront of dive watch design

the MRGB5000 also features a special-purpose MR-G module with gold-plated circuit retainer plates to reduce electrical resistance and is also equipped with time signal reception and Bluetooth® communication capabilities for smartphone connectivity

Movement: 1L45

Seiko Prospex Sumo SPB179 Automatic Diver Arctic Blue Dial MR-G It is secured in placeProspex Automatic Diver Manual and automatic winding capabilities 21,600 vibrations per hour Power reserve: approximately 70 hours 24 jewels Blue one way rotating elapsed timing bezel Blue 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), Diver's