Seiko - Prospex Automatic Diver - SRPD27

Manual and automatic winding capabilities
21,600 vibrations per hour
Power reserve: approximately 41 hours
24 jewels
One-way rotating elapsed timing bezel
Black dial with sunray finish
Magnified day/date calendar
LumiBrite hands and markers
Screwdown crown and caseback
Case diameter: 42.4mm
Stainless steel case
Silicone strap
Water-resistant to 200 meters (660 feet), Diver's Watch.
Follows ISO standards and is suitable for scuba diving.
Caliber 4R36