Seiko Prospex Sumo SPB179 Automatic Diver Arctic Blue Dial

Prospex 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 Watch. Meets ISO standards and is suitable for scuba diving

Caliber 6R35