Men's Seiko Prospex SRPD27 "Monster" (Pre-Owned)

Prospex Automatic Diver - Japanese Model

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 
Magnifed 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.
Meets ISO standards and is suitable for scuba diving. 
Caliber 4R36