Seiko-Sport Automatic SRPD51

Seiko 5 Sports

Manual and automatic winding capabilities

21,600 vibrations per hour

Power reserve: approximately 41 hours

24 jewels

Blue sunray dial

Blue unidirectional rotating bezel

Day/date calendar

LumiBrite hands and markers

Case diameter: 42.5mm

Stainless steel case and bracelet

Water-resistant to 10 bar, 100 meters (300 feet)

Caliber 4R36